author | paulson |
Wed, 13 Sep 2000 18:46:09 +0200 | |
changeset 9943 | 55c82decf3f4 |
parent 9572 | bfee45ac5d38 |
child 10175 | 76646fc8b1bf |
permissions | -rw-r--r-- |
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
1 |
(* Title: Chinese.ML |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
2 |
ID: $Id$ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
3 |
Author: Thomas M. Rasmussen |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
4 |
Copyright 2000 University of Cambridge |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
5 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
6 |
The Chinese Remainder Theorem for an arbitrary finite number of equations. |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
7 |
(The one-equation case is included in 'IntPrimes') |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
8 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
9 |
Uses functions for indexing. Maybe 'funprod' and 'funsum' |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
10 |
should be based on general 'fold' on indices? |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
11 |
*) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
12 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
13 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
14 |
(*** extra nat theorems ***) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
15 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
16 |
Goal "[| k <= i; i <= k |] ==> i = (k::nat)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
17 |
by (rtac diffs0_imp_equal 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
18 |
by (ALLGOALS (stac diff_is_0_eq)); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
19 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
20 |
qed "le_le_imp_eq"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
21 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
22 |
Goal "m~=n --> m<=n --> m<(n::nat)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
23 |
by (induct_tac "n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
24 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
25 |
by (subgoal_tac "m = Suc n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
26 |
by (rtac le_le_imp_eq 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
27 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
28 |
qed_spec_mp "neq_le_imp_less"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
29 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
30 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
31 |
(*** funprod and funsum ***) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
32 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
33 |
Goal "(ALL i. i <= n --> #0 < mf i) --> #0 < funprod mf 0 n"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
34 |
by (induct_tac "n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
35 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
36 |
by (asm_full_simp_tac (simpset() addsimps [int_0_less_mult_iff]) 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
37 |
qed_spec_mp "funprod_pos"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
38 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
39 |
Goal "(ALL i. k<=i & i<=(k+l) --> zgcd (mf i, mf m) = #1) --> \ |
9943 | 40 |
\ zgcd (funprod mf k l, mf m) = #1"; |
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
41 |
by (induct_tac "l" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
42 |
by (ALLGOALS Simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
43 |
by (REPEAT (rtac impI 1)); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
44 |
by (stac zgcd_zmult_cancel 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
45 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
46 |
qed_spec_mp "funprod_zgcd"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
47 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
48 |
Goal "k<=i --> i<=(k+l) --> (mf i) dvd (funprod mf k l)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
49 |
by (induct_tac "l" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
50 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
51 |
by (rtac zdvd_zmult2 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
52 |
by (rtac zdvd_zmult 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
53 |
by (subgoal_tac "i=k" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
54 |
by (subgoal_tac "i=Suc (k + n)" 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
55 |
by (ALLGOALS Asm_simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
56 |
qed_spec_mp "funprod_zdvd"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
57 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
58 |
Goal "(funsum f k l) mod m = (funsum (%i. (f i) mod m) k l) mod m"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
59 |
by (induct_tac "l" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
60 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
61 |
by (rtac trans 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
62 |
by (rtac zmod_zadd1_eq 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
63 |
by (Asm_simp_tac 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
64 |
by (rtac (zmod_zadd_right_eq RS sym) 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
65 |
qed "funsum_mod"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
66 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
67 |
Goal "(ALL i. k<=i & i<=(k+l) --> (f i) = #0) --> (funsum f k l) = #0"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
68 |
by (induct_tac "l" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
69 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
70 |
qed_spec_mp "funsum_zero"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
71 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
72 |
Goal "k<=j --> j<=(k+l) --> \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
73 |
\ (ALL i. k<=i & i<=(k+l) & i~=j --> (f i) = #0) --> \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
74 |
\ (funsum f k l) = (f j)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
75 |
by (induct_tac "l" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
76 |
by (ALLGOALS Simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
77 |
by (ALLGOALS (REPEAT o (rtac impI))); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
78 |
by (case_tac "Suc (k+n) = j" 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
79 |
by (subgoal_tac "funsum f k n = #0" 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
80 |
by (rtac funsum_zero 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
81 |
by (subgoal_tac "f (Suc (k+n)) = #0" 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
82 |
by (subgoal_tac "k=j" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
83 |
by (Clarify_tac 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
84 |
by (subgoal_tac "j<=k+n" 5); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
85 |
by (subgoal_tac "j<Suc (k+n)" 6); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
86 |
by (rtac neq_le_imp_less 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
87 |
by (ALLGOALS Asm_simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
88 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
89 |
qed_spec_mp "funsum_oneelem"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
90 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
91 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
92 |
(*** Chinese: Uniqueness ***) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
93 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
94 |
Goalw [m_cond_def,km_cond_def,lincong_sol_def] |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
95 |
"[| m_cond n mf; km_cond n kf mf; \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
96 |
\ lincong_sol n kf bf mf x; lincong_sol n kf bf mf y |] \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
97 |
\ ==> [x=y] (mod mf n)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
98 |
by (rtac iffD1 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
99 |
by (res_inst_tac [("k","kf n")] zcong_cancel2 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
100 |
by (res_inst_tac [("b","bf n")] zcong_trans 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
101 |
by (stac zcong_sym 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
102 |
by (rtac zless_imp_zle 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
103 |
by (ALLGOALS Asm_simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
104 |
val lemma = result(); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
105 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
106 |
Goal "m_cond n mf --> km_cond n kf mf --> \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
107 |
\ lincong_sol n kf bf mf x --> lincong_sol n kf bf mf y --> \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
108 |
\ [x=y] (mod funprod mf 0 n)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
109 |
by (induct_tac "n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
110 |
by (ALLGOALS Simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
111 |
by (blast_tac (claset() addIs [lemma]) 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
112 |
by (REPEAT (rtac impI 1)); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
113 |
by (rtac zcong_zgcd_zmult_zmod 1); |
9943 | 114 |
by (blast_tac (claset() addIs [lemma]) 1); |
115 |
by (stac zgcd_commute 2); |
|
116 |
by (rtac funprod_zgcd 2); |
|
117 |
by (auto_tac (claset(), |
|
118 |
simpset() addsimps [m_cond_def,km_cond_def,lincong_sol_def])); |
|
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
119 |
qed_spec_mp "zcong_funprod"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
120 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
121 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
122 |
(* Chinese: Existence *) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
123 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
124 |
Goal "[| 0<n; i<n |] ==> Suc (i+(n-Suc(i))) = n"; |
9572 | 125 |
by (arith_tac 1); |
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
126 |
val suclemma = result(); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
127 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
128 |
Goal "[| 0<n; i<=n; m_cond n mf; km_cond n kf mf |] \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
129 |
\ ==> EX! x. #0<=x & x<(mf i) & \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
130 |
\ [(kf i)*(mhf mf n i)*x = bf i] (mod mf i)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
131 |
by (rtac zcong_lineq_unique 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
132 |
by (stac zgcd_zmult_cancel 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
133 |
by (rewrite_goals_tac [m_cond_def,km_cond_def,mhf_def]); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
134 |
by (ALLGOALS Asm_simp_tac); |
9943 | 135 |
by Auto_tac; |
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
136 |
by (stac zgcd_zmult_cancel 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
137 |
by (Asm_simp_tac 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
138 |
by (ALLGOALS (rtac funprod_zgcd)); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
139 |
by Safe_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
140 |
by (ALLGOALS Asm_full_simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
141 |
by (subgoal_tac "i<=n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
142 |
by (res_inst_tac [("j","n-1")] le_trans 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
143 |
by (subgoal_tac "i~=n" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
144 |
by (subgoal_tac "ia<=n" 5); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
145 |
by (res_inst_tac [("j","i-1")] le_trans 6); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
146 |
by (res_inst_tac [("j","n-1")] le_trans 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
147 |
by (subgoal_tac "ia~=i" 5); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
148 |
by (subgoal_tac "ia<=n" 10); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
149 |
by (stac (suclemma RS sym) 11); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
150 |
by (assume_tac 13); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
151 |
by (rtac neq_le_imp_less 12); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
152 |
by (rtac diff_le_mono 8); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
153 |
by (ALLGOALS (asm_full_simp_tac (simpset() addsimps [le_pred_eq]))); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
154 |
qed "unique_xi_sol"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
155 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
156 |
Goalw [mhf_def] "[| 0<n; i<=n; j<=n; j~=i |] ==> (mf j) dvd (mhf mf n i)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
157 |
by (case_tac "i=0" 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
158 |
by (case_tac "i=n" 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
159 |
by (ALLGOALS Asm_simp_tac); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
160 |
by (case_tac "j<i" 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
161 |
by (rtac zdvd_zmult2 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
162 |
by (rtac zdvd_zmult 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
163 |
by (ALLGOALS (rtac funprod_zdvd)); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
164 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
165 |
by (stac suclemma 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
166 |
by (stac le_pred_eq 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
167 |
by (stac le_pred_eq 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
168 |
by (rtac neq_le_imp_less 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
169 |
by (rtac neq_le_imp_less 8); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
170 |
by (rtac pred_less_imp_le 6); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
171 |
by (rtac neq_le_imp_less 6); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
172 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
173 |
val lemma = result(); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
174 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
175 |
Goalw [x_sol_def] "[| 0<n; i<=n |] \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
176 |
\ ==> (x_sol n kf bf mf) mod (mf i) = \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
177 |
\ (xilin_sol i n kf bf mf)*(mhf mf n i) mod (mf i)"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
178 |
by (stac funsum_mod 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
179 |
by (stac funsum_oneelem 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
180 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
181 |
by (stac (zdvd_iff_zmod_eq_0 RS sym) 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
182 |
by (rtac zdvd_zmult 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
183 |
by (rtac lemma 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
184 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
185 |
qed "x_sol_lin"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
186 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
187 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
188 |
(* Chinese *) |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
189 |
|
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
190 |
Goal "[| 0<n; m_cond n mf; km_cond n kf mf |] \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
191 |
\ ==> (EX! x. #0 <= x & x < (funprod mf 0 n) & \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
192 |
\ (lincong_sol n kf bf mf x))"; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
193 |
by Safe_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
194 |
by (res_inst_tac [("m","funprod mf 0 n")] zcong_zless_imp_eq 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
195 |
by (rtac zcong_funprod 6); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
196 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
197 |
by (res_inst_tac [("x","(x_sol n kf bf mf) mod (funprod mf 0 n)")] exI 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
198 |
by (rewtac lincong_sol_def); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
199 |
by Safe_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
200 |
by (stac zcong_zmod 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
201 |
by (stac zmod_zmult_distrib 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
202 |
by (stac zmod_zdvd_zmod 3); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
203 |
by (stac x_sol_lin 5); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
204 |
by (stac (zmod_zmult_distrib RS sym) 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
205 |
by (stac (zcong_zmod RS sym) 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
206 |
by (subgoal_tac "#0<=(xilin_sol i n kf bf mf) & \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
207 |
\ (xilin_sol i n kf bf mf)<(mf i) & \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
208 |
\ [(kf i)*(mhf mf n i)*(xilin_sol i n kf bf mf) = bf i] \ |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
209 |
\ (mod mf i)" 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
210 |
by (asm_full_simp_tac (simpset() addsimps zmult_ac) 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
211 |
by (rewtac xilin_sol_def); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
212 |
by (Asm_simp_tac 7); |
9572 | 213 |
by (rtac (ex1_implies_ex RS ex_someI) 7); |
9508
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
214 |
by (rtac unique_xi_sol 7); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
215 |
by (rtac funprod_zdvd 4); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
216 |
by (rewtac m_cond_def); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
217 |
by (rtac (funprod_pos RS pos_mod_sign) 1); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
218 |
by (rtac (funprod_pos RS pos_mod_bound) 2); |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
219 |
by Auto_tac; |
4d01dbf6ded7
Chinese Remainder Theorem, Wilsons Theorem, etc., by T M Masmussen
paulson
parents:
diff
changeset
|
220 |
qed "chinese_remainder"; |