| author | lcp | 
| Fri, 28 Apr 1995 11:24:32 +0200 | |
| changeset 1074 | d60f203eeddf | 
| parent 243 | c22b85994e17 | 
| permissions | -rw-r--r-- | 
| 
243
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
1  | 
(* Title: HOLCF/ssum1.ML  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
2  | 
ID: $Id$  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
3  | 
Author: Franz Regensburger  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
4  | 
Copyright 1993 Technische Universitaet Muenchen  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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5  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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6  | 
Lemmas for theory ssum1.thy  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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7  | 
*)  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
8  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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9  | 
open Ssum1;  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
10  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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11  | 
local  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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12  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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13  | 
fun eq_left s1 s2 =  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
14  | 
(  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
15  | 
	(res_inst_tac [("s",s1),("t",s2)] (inject_Isinl RS subst) 1)
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
16  | 
THEN (rtac trans 1)  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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17  | 
THEN (atac 2)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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18  | 
THEN (etac sym 1));  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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19  | 
|
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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20  | 
fun eq_right s1 s2 =  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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21  | 
(  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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22  | 
	(res_inst_tac [("s",s1),("t",s2)] (inject_Isinr RS subst) 1)
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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23  | 
THEN (rtac trans 1)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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24  | 
THEN (atac 2)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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25  | 
THEN (etac sym 1));  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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26  | 
|
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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27  | 
fun UU_left s1 =  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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28  | 
(  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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29  | 
	(res_inst_tac [("t",s1)](noteq_IsinlIsinr RS conjunct1 RS ssubst)1)
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
30  | 
THEN (rtac trans 1)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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31  | 
THEN (atac 2)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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32  | 
THEN (etac sym 1));  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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33  | 
|
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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34  | 
fun UU_right s1 =  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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35  | 
(  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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36  | 
	(res_inst_tac [("t",s1)](noteq_IsinlIsinr RS conjunct2 RS ssubst)1)
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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37  | 
THEN (rtac trans 1)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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38  | 
THEN (atac 2)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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39  | 
THEN (etac sym 1))  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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40  | 
|
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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41  | 
in  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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42  | 
|
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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43  | 
val less_ssum1a = prove_goalw Ssum1.thy [less_ssum_def]  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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44  | 
"[|s1=Isinl(x); s2=Isinl(y)|] ==> less_ssum(s1,s2) = (x << y)"  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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45  | 
(fn prems =>  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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46  | 
[  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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47  | 
(cut_facts_tac prems 1),  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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48  | 
(rtac select_equality 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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49  | 
(dtac conjunct1 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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50  | 
(dtac spec 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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51  | 
(dtac spec 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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52  | 
(etac mp 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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53  | 
(fast_tac HOL_cs 2),  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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54  | 
(rtac conjI 1),  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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55  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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56  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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57  | 
(eq_left "x" "u"),  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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58  | 
(eq_left "y" "xa"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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59  | 
(rtac refl 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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60  | 
(rtac conjI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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61  | 
(strip_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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62  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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63  | 
(UU_left "x"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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64  | 
(UU_right "v"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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65  | 
(simp_tac Cfun_ss 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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66  | 
(rtac conjI 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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67  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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68  | 
(etac conjE 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
69  | 
(eq_left "x" "u"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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70  | 
(UU_left "y"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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71  | 
(rtac iffI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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72  | 
(etac UU_I 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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73  | 
	(res_inst_tac [("s","x"),("t","UU")] subst 1),
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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74  | 
(atac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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75  | 
(rtac refl_less 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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76  | 
(strip_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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77  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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78  | 
(UU_left "x"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
79  | 
(UU_right "v"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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80  | 
(simp_tac Cfun_ss 1)  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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81  | 
]);  | 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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82  | 
|
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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83  | 
|
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
84  | 
val less_ssum1b = prove_goalw Ssum1.thy [less_ssum_def]  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
changeset
 | 
85  | 
"[|s1=Isinr(x); s2=Isinr(y)|] ==> less_ssum(s1,s2) = (x << y)"  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
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 | 
86  | 
(fn prems =>  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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87  | 
[  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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88  | 
(cut_facts_tac prems 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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89  | 
(rtac select_equality 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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90  | 
(dtac conjunct2 2),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
91  | 
(dtac conjunct1 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
92  | 
(dtac spec 2),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
93  | 
(dtac spec 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
94  | 
(etac mp 2),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
95  | 
(fast_tac HOL_cs 2),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
96  | 
(rtac conjI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
97  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
98  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
99  | 
(UU_right "x"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
100  | 
(UU_left "u"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
101  | 
(simp_tac Cfun_ss 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
102  | 
(rtac conjI 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
103  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
104  | 
(etac conjE 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
105  | 
(eq_right "x" "v"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
106  | 
(eq_right "y" "ya"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
107  | 
(rtac refl 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
108  | 
(rtac conjI 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
109  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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 | 
110  | 
(etac conjE 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
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 | 
111  | 
(UU_right "x"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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changeset
 | 
112  | 
(UU_left "u"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
changeset
 | 
113  | 
(simp_tac Cfun_ss 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
114  | 
(strip_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
115  | 
(etac conjE 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
changeset
 | 
116  | 
(eq_right "x" "v"),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
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changeset
 | 
117  | 
(UU_right "y"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
118  | 
(rtac iffI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
119  | 
(etac UU_I 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
120  | 
	(res_inst_tac [("s","UU"),("t","x")] subst 1),
 | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
121  | 
(etac sym 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
122  | 
(rtac refl_less 1)  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
123  | 
]);  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
124  | 
|
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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125  | 
|
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
126  | 
val less_ssum1c = prove_goalw Ssum1.thy [less_ssum_def]  | 
| 
 
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 | 
127  | 
"[|s1=Isinl(x); s2=Isinr(y)|] ==> less_ssum(s1,s2) = (x = UU)"  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
128  | 
(fn prems =>  | 
| 
 
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 | 
129  | 
[  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
130  | 
(cut_facts_tac prems 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
131  | 
(rtac select_equality 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
132  | 
(rtac conjI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
133  | 
(strip_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
134  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
135  | 
(eq_left "x" "u"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
136  | 
(UU_left "xa"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
137  | 
(rtac iffI 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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138  | 
	(res_inst_tac [("s","x"),("t","UU")] subst 1),
 | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
139  | 
(atac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
140  | 
(rtac refl_less 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
141  | 
(etac UU_I 1),  | 
| 
 
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 | 
142  | 
(rtac conjI 1),  | 
| 
 
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 | 
143  | 
(strip_tac 1),  | 
| 
 
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 | 
144  | 
(etac conjE 1),  | 
| 
 
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 | 
145  | 
(UU_left "x"),  | 
| 
 
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 | 
146  | 
(UU_right "v"),  | 
| 
 
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 | 
147  | 
(simp_tac Cfun_ss 1),  | 
| 
 
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 | 
148  | 
(rtac conjI 1),  | 
| 
 
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149  | 
(strip_tac 1),  | 
| 
 
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 | 
150  | 
(etac conjE 1),  | 
| 
 
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 | 
151  | 
(eq_left "x" "u"),  | 
| 
 
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 | 
152  | 
(rtac refl 1),  | 
| 
 
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153  | 
(strip_tac 1),  | 
| 
 
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 | 
154  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
155  | 
(UU_left "x"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
156  | 
(UU_right "v"),  | 
| 
 
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 | 
157  | 
(simp_tac Cfun_ss 1),  | 
| 
 
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 | 
158  | 
(dtac conjunct2 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
159  | 
(dtac conjunct2 1),  | 
| 
 
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 | 
160  | 
(dtac conjunct1 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
161  | 
(dtac spec 1),  | 
| 
 
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162  | 
(dtac spec 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
163  | 
(etac mp 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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164  | 
(fast_tac HOL_cs 1)  | 
| 
 
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 | 
165  | 
]);  | 
| 
 
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166  | 
|
| 
 
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167  | 
|
| 
 
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168  | 
val less_ssum1d = prove_goalw Ssum1.thy [less_ssum_def]  | 
| 
 
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 | 
169  | 
"[|s1=Isinr(x); s2=Isinl(y)|] ==> less_ssum(s1,s2) = (x = UU)"  | 
| 
 
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 | 
170  | 
(fn prems =>  | 
| 
 
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171  | 
[  | 
| 
 
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172  | 
(cut_facts_tac prems 1),  | 
| 
 
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 | 
173  | 
(rtac select_equality 1),  | 
| 
 
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 | 
174  | 
(dtac conjunct2 2),  | 
| 
 
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 | 
175  | 
(dtac conjunct2 2),  | 
| 
 
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 | 
176  | 
(dtac conjunct2 2),  | 
| 
 
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 | 
177  | 
(dtac spec 2),  | 
| 
 
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 | 
178  | 
(dtac spec 2),  | 
| 
 
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 | 
179  | 
(etac mp 2),  | 
| 
 
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 | 
180  | 
(fast_tac HOL_cs 2),  | 
| 
 
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 | 
181  | 
(rtac conjI 1),  | 
| 
 
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 | 
182  | 
(strip_tac 1),  | 
| 
 
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 | 
183  | 
(etac conjE 1),  | 
| 
 
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 | 
184  | 
(UU_right "x"),  | 
| 
 
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 | 
185  | 
(UU_left "u"),  | 
| 
 
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 | 
186  | 
(simp_tac Cfun_ss 1),  | 
| 
 
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 | 
187  | 
(rtac conjI 1),  | 
| 
 
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 | 
188  | 
(strip_tac 1),  | 
| 
 
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 | 
189  | 
(etac conjE 1),  | 
| 
 
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 | 
190  | 
(UU_right "ya"),  | 
| 
 
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 | 
191  | 
(eq_right "x" "v"),  | 
| 
 
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 | 
192  | 
(rtac iffI 1),  | 
| 
 
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 | 
193  | 
(etac UU_I 2),  | 
| 
 
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 | 
194  | 
	(res_inst_tac [("s","UU"),("t","x")] subst 1),
 | 
| 
 
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 | 
195  | 
(etac sym 1),  | 
| 
 
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 | 
196  | 
(rtac refl_less 1),  | 
| 
 
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 | 
197  | 
(rtac conjI 1),  | 
| 
 
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 | 
198  | 
(strip_tac 1),  | 
| 
 
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 | 
199  | 
(etac conjE 1),  | 
| 
 
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 | 
200  | 
(UU_right "x"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
201  | 
(UU_left "u"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
202  | 
(simp_tac HOL_ss 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
203  | 
(strip_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
204  | 
(etac conjE 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
205  | 
(eq_right "x" "v"),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
206  | 
(rtac refl 1)  | 
| 
 
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 | 
207  | 
])  | 
| 
 
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208  | 
end;  | 
| 
 
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209  | 
|
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
210  | 
|
| 
 
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 | 
211  | 
(* ------------------------------------------------------------------------ *)  | 
| 
 
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212  | 
(* optimize lemmas about less_ssum *)  | 
| 
 
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 | 
213  | 
(* ------------------------------------------------------------------------ *)  | 
| 
 
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214  | 
|
| 
 
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 | 
215  | 
val less_ssum2a = prove_goal Ssum1.thy  | 
| 
 
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 | 
216  | 
"less_ssum(Isinl(x),Isinl(y)) = (x << y)"  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
217  | 
(fn prems =>  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
218  | 
[  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
219  | 
(rtac less_ssum1a 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
220  | 
(rtac refl 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
221  | 
(rtac refl 1)  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
222  | 
]);  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
223  | 
|
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
224  | 
val less_ssum2b = prove_goal Ssum1.thy  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
225  | 
"less_ssum(Isinr(x),Isinr(y)) = (x << y)"  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
226  | 
(fn prems =>  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
227  | 
[  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
228  | 
(rtac less_ssum1b 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
229  | 
(rtac refl 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
230  | 
(rtac refl 1)  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
231  | 
]);  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
232  | 
|
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
233  | 
val less_ssum2c = prove_goal Ssum1.thy  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
234  | 
"less_ssum(Isinl(x),Isinr(y)) = (x = UU)"  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
235  | 
(fn prems =>  | 
| 
 
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236  | 
[  | 
| 
 
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237  | 
(rtac less_ssum1c 1),  | 
| 
 
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238  | 
(rtac refl 1),  | 
| 
 
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239  | 
(rtac refl 1)  | 
| 
 
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240  | 
]);  | 
| 
 
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241  | 
|
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242  | 
val less_ssum2d = prove_goal Ssum1.thy  | 
| 
 
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243  | 
"less_ssum(Isinr(x),Isinl(y)) = (x = UU)"  | 
| 
 
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244  | 
(fn prems =>  | 
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245  | 
[  | 
| 
 
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246  | 
(rtac less_ssum1d 1),  | 
| 
 
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247  | 
(rtac refl 1),  | 
| 
 
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248  | 
(rtac refl 1)  | 
| 
 
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249  | 
]);  | 
| 
 
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250  | 
|
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251  | 
|
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252  | 
(* ------------------------------------------------------------------------ *)  | 
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253  | 
(* less_ssum is a partial order on ++ *)  | 
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254  | 
(* ------------------------------------------------------------------------ *)  | 
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255  | 
|
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256  | 
val refl_less_ssum = prove_goal Ssum1.thy "less_ssum(p,p)"  | 
| 
 
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257  | 
(fn prems =>  | 
| 
 
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258  | 
[  | 
| 
 
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259  | 
	(res_inst_tac [("p","p")] IssumE2 1),
 | 
| 
 
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260  | 
(hyp_subst_tac 1),  | 
| 
 
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261  | 
(rtac (less_ssum2a RS iffD2) 1),  | 
| 
 
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262  | 
(rtac refl_less 1),  | 
| 
 
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263  | 
(hyp_subst_tac 1),  | 
| 
 
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264  | 
(rtac (less_ssum2b RS iffD2) 1),  | 
| 
 
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265  | 
(rtac refl_less 1)  | 
| 
 
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266  | 
]);  | 
| 
 
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267  | 
|
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268  | 
val antisym_less_ssum = prove_goal Ssum1.thy  | 
| 
 
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269  | 
"[|less_ssum(p1,p2);less_ssum(p2,p1)|] ==> p1=p2"  | 
| 
 
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270  | 
(fn prems =>  | 
| 
 
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271  | 
[  | 
| 
 
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272  | 
(cut_facts_tac prems 1),  | 
| 
 
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273  | 
	(res_inst_tac [("p","p1")] IssumE2 1),
 | 
| 
 
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274  | 
(hyp_subst_tac 1),  | 
| 
 
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275  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
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276  | 
(hyp_subst_tac 1),  | 
| 
 
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277  | 
	(res_inst_tac [("f","Isinl")] arg_cong 1),
 | 
| 
 
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278  | 
(rtac antisym_less 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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279  | 
(etac (less_ssum2a RS iffD1) 1),  | 
| 
 
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280  | 
(etac (less_ssum2a RS iffD1) 1),  | 
| 
 
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281  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
282  | 
(etac (less_ssum2d RS iffD1 RS ssubst) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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283  | 
(etac (less_ssum2c RS iffD1 RS ssubst) 1),  | 
| 
 
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284  | 
(rtac strict_IsinlIsinr 1),  | 
| 
 
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 | 
285  | 
(hyp_subst_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
286  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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287  | 
(hyp_subst_tac 1),  | 
| 
 
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288  | 
(etac (less_ssum2c RS iffD1 RS ssubst) 1),  | 
| 
 
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289  | 
(etac (less_ssum2d RS iffD1 RS ssubst) 1),  | 
| 
 
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290  | 
(rtac (strict_IsinlIsinr RS sym) 1),  | 
| 
 
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291  | 
(hyp_subst_tac 1),  | 
| 
 
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292  | 
	(res_inst_tac [("f","Isinr")] arg_cong 1),
 | 
| 
 
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293  | 
(rtac antisym_less 1),  | 
| 
 
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294  | 
(etac (less_ssum2b RS iffD1) 1),  | 
| 
 
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295  | 
(etac (less_ssum2b RS iffD1) 1)  | 
| 
 
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296  | 
]);  | 
| 
 
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297  | 
|
| 
 
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298  | 
val trans_less_ssum = prove_goal Ssum1.thy  | 
| 
 
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299  | 
"[|less_ssum(p1,p2);less_ssum(p2,p3)|] ==> less_ssum(p1,p3)"  | 
| 
 
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300  | 
(fn prems =>  | 
| 
 
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301  | 
[  | 
| 
 
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302  | 
(cut_facts_tac prems 1),  | 
| 
 
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 | 
303  | 
	(res_inst_tac [("p","p1")] IssumE2 1),
 | 
| 
 
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304  | 
(hyp_subst_tac 1),  | 
| 
 
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305  | 
	(res_inst_tac [("p","p3")] IssumE2 1),
 | 
| 
 
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 | 
306  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
307  | 
(rtac (less_ssum2a RS iffD2) 1),  | 
| 
 
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 | 
308  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
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 | 
309  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
310  | 
(rtac trans_less 1),  | 
| 
 
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 | 
311  | 
(etac (less_ssum2a RS iffD1) 1),  | 
| 
 
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312  | 
(etac (less_ssum2a RS iffD1) 1),  | 
| 
 
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313  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
314  | 
(etac (less_ssum2c RS iffD1 RS ssubst) 1),  | 
| 
 
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 | 
315  | 
(rtac minimal 1),  | 
| 
 
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 | 
316  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
317  | 
(rtac (less_ssum2c RS iffD2) 1),  | 
| 
 
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318  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
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 | 
319  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
320  | 
(rtac UU_I 1),  | 
| 
 
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 | 
321  | 
(rtac trans_less 1),  | 
| 
 
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 | 
322  | 
(etac (less_ssum2a RS iffD1) 1),  | 
| 
 
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 | 
323  | 
(rtac (antisym_less_inverse RS conjunct1) 1),  | 
| 
 
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 | 
324  | 
(etac (less_ssum2c RS iffD1) 1),  | 
| 
 
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 | 
325  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
326  | 
(etac (less_ssum2c RS iffD1) 1),  | 
| 
 
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 | 
327  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
328  | 
	(res_inst_tac [("p","p3")] IssumE2 1),
 | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
329  | 
(hyp_subst_tac 1),  | 
| 
 
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 | 
330  | 
(rtac (less_ssum2d RS iffD2) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
331  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
332  | 
(hyp_subst_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
333  | 
(etac (less_ssum2d RS iffD1) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
334  | 
(hyp_subst_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
335  | 
(rtac UU_I 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
336  | 
(rtac trans_less 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
337  | 
(etac (less_ssum2b RS iffD1) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
338  | 
(rtac (antisym_less_inverse RS conjunct1) 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
339  | 
(etac (less_ssum2d RS iffD1) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
340  | 
(hyp_subst_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
341  | 
(rtac (less_ssum2b RS iffD2) 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
342  | 
	(res_inst_tac [("p","p2")] IssumE2 1),
 | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
343  | 
(hyp_subst_tac 1),  | 
| 
 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
344  | 
(etac (less_ssum2d RS iffD1 RS ssubst) 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
345  | 
(rtac minimal 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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 | 
346  | 
(hyp_subst_tac 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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parents:  
diff
changeset
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347  | 
(rtac trans_less 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
348  | 
(etac (less_ssum2b RS iffD1) 1),  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
349  | 
(etac (less_ssum2b RS iffD1) 1)  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
350  | 
]);  | 
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
351  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
352  | 
|
| 
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
353  |