| author | huffman | 
| Thu, 23 Jun 2005 22:08:24 +0200 | |
| changeset 16554 | 5841e7f9eef5 | 
| parent 16070 | 4a83dd540b88 | 
| child 16747 | 934b6b36d794 | 
| permissions | -rw-r--r-- | 
| 2640 | 1  | 
(* Title: HOLCF/One.thy  | 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
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ID: $Id$  | 
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Author: Oscar Slotosch  | 
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removed LICENCE note -- everything is subject to Isabelle licence as
 
wenzelm 
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4a83dd540b88
removed LICENCE note -- everything is subject to Isabelle licence as
 
wenzelm 
parents: 
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The unit domain.  | 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
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*)  | 
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c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
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header {* The unit domain *}
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||
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theory One  | 
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imports Lift  | 
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begin  | 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
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15576
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
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14  | 
types one = "unit lift"  | 
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Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
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constdefs  | 
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ONE :: "one"  | 
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"ONE == Def ()"  | 
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translations  | 
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"one" <= (type) "unit lift"  | 
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243
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
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22  | 
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15576
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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23  | 
(* ------------------------------------------------------------------------ *)  | 
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efb95d0d01f7
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huffman 
parents: 
14981 
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24  | 
(* Exhaustion and Elimination for type one *)  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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(* ------------------------------------------------------------------------ *)  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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26  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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27  | 
lemma Exh_one: "t=UU | t = ONE"  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
28  | 
apply (unfold ONE_def)  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
29  | 
apply (induct t)  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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30  | 
apply simp  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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31  | 
apply simp  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
32  | 
done  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
33  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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34  | 
lemma oneE: "[| p=UU ==> Q; p = ONE ==>Q|] ==>Q"  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
35  | 
apply (rule Exh_one [THEN disjE])  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
36  | 
apply fast  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
37  | 
apply fast  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
38  | 
done  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
39  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
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40  | 
lemma dist_less_one [simp]: "~ONE << UU"  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
41  | 
apply (unfold ONE_def)  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
42  | 
apply (simp add: inst_lift_po)  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
43  | 
done  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
44  | 
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efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
45  | 
lemma dist_eq_one [simp]: "ONE~=UU" "UU~=ONE"  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
46  | 
apply (unfold ONE_def)  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
47  | 
apply (simp_all add: inst_lift_po)  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
48  | 
done  | 
| 
 
efb95d0d01f7
converted to new-style theories, and combined numbered files
 
huffman 
parents: 
14981 
diff
changeset
 | 
49  | 
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243
 
c22b85994e17
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
 
nipkow 
parents:  
diff
changeset
 | 
50  | 
end  |