1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 (* This file was automatically generated: do not edit *********************)
17 include "legacy_1/coq/fwd.ma".
20 \forall (A: Type[0]).(\forall (B: Type[0]).(\forall (f: ((A \to
21 B))).(\forall (x: A).(\forall (y: A).((eq A x y) \to (eq B (f x) (f y)))))))
23 \lambda (A: Type[0]).(\lambda (B: Type[0]).(\lambda (f: ((A \to
24 B))).(\lambda (x: A).(\lambda (y: A).(\lambda (H: (eq A x y)).(let TMP_12
25 \def (\lambda (a: A).(let TMP_11 \def (f x) in (let TMP_10 \def (f a) in (eq
26 B TMP_11 TMP_10)))) in (let TMP_8 \def (f x) in (let TMP_9 \def (refl_equal B
27 TMP_8) in (eq_ind A x TMP_12 TMP_9 y H))))))))).
30 \forall (A1: Type[0]).(\forall (A2: Type[0]).(\forall (B: Type[0]).(\forall
31 (f: ((A1 \to (A2 \to B)))).(\forall (x1: A1).(\forall (y1: A1).(\forall (x2:
32 A2).(\forall (y2: A2).((eq A1 x1 y1) \to ((eq A2 x2 y2) \to (eq B (f x1 x2)
35 \lambda (A1: Type[0]).(\lambda (A2: Type[0]).(\lambda (B: Type[0]).(\lambda
36 (f: ((A1 \to (A2 \to B)))).(\lambda (x1: A1).(\lambda (y1: A1).(\lambda (x2:
37 A2).(\lambda (y2: A2).(\lambda (H: (eq A1 x1 y1)).(let TMP_21 \def (\lambda
38 (a: A1).((eq A2 x2 y2) \to (let TMP_20 \def (f x1 x2) in (let TMP_19 \def (f
39 a y2) in (eq B TMP_20 TMP_19))))) in (let TMP_18 \def (\lambda (H0: (eq A2 x2
40 y2)).(let TMP_17 \def (\lambda (a: A2).(let TMP_16 \def (f x1 x2) in (let
41 TMP_15 \def (f x1 a) in (eq B TMP_16 TMP_15)))) in (let TMP_13 \def (f x1 x2)
42 in (let TMP_14 \def (refl_equal B TMP_13) in (eq_ind A2 x2 TMP_17 TMP_14 y2
43 H0))))) in (eq_ind A1 x1 TMP_21 TMP_18 y1 H))))))))))).
46 \forall (A1: Type[0]).(\forall (A2: Type[0]).(\forall (A3: Type[0]).(\forall
47 (B: Type[0]).(\forall (f: ((A1 \to (A2 \to (A3 \to B))))).(\forall (x1:
48 A1).(\forall (y1: A1).(\forall (x2: A2).(\forall (y2: A2).(\forall (x3:
49 A3).(\forall (y3: A3).((eq A1 x1 y1) \to ((eq A2 x2 y2) \to ((eq A3 x3 y3)
50 \to (eq B (f x1 x2 x3) (f y1 y2 y3)))))))))))))))
52 \lambda (A1: Type[0]).(\lambda (A2: Type[0]).(\lambda (A3: Type[0]).(\lambda
53 (B: Type[0]).(\lambda (f: ((A1 \to (A2 \to (A3 \to B))))).(\lambda (x1:
54 A1).(\lambda (y1: A1).(\lambda (x2: A2).(\lambda (y2: A2).(\lambda (x3:
55 A3).(\lambda (y3: A3).(\lambda (H: (eq A1 x1 y1)).(let TMP_34 \def (\lambda
56 (a: A1).((eq A2 x2 y2) \to ((eq A3 x3 y3) \to (let TMP_33 \def (f x1 x2 x3)
57 in (let TMP_32 \def (f a y2 y3) in (eq B TMP_33 TMP_32)))))) in (let TMP_31
58 \def (\lambda (H0: (eq A2 x2 y2)).(let TMP_30 \def (\lambda (a: A2).((eq A3
59 x3 y3) \to (let TMP_29 \def (f x1 x2 x3) in (let TMP_28 \def (f x1 a y3) in
60 (eq B TMP_29 TMP_28))))) in (let TMP_27 \def (\lambda (H1: (eq A3 x3
61 y3)).(let TMP_26 \def (\lambda (a: A3).(let TMP_25 \def (f x1 x2 x3) in (let
62 TMP_24 \def (f x1 x2 a) in (eq B TMP_25 TMP_24)))) in (let TMP_22 \def (f x1
63 x2 x3) in (let TMP_23 \def (refl_equal B TMP_22) in (eq_ind A3 x3 TMP_26
64 TMP_23 y3 H1))))) in (eq_ind A2 x2 TMP_30 TMP_27 y2 H0)))) in (eq_ind A1 x1
65 TMP_34 TMP_31 y1 H)))))))))))))).
68 \forall (A: Type[0]).(\forall (x: A).(\forall (y: A).((eq A x y) \to (eq A y
71 \lambda (A: Type[0]).(\lambda (x: A).(\lambda (y: A).(\lambda (H: (eq A x
72 y)).(let TMP_36 \def (\lambda (a: A).(eq A a x)) in (let TMP_35 \def
73 (refl_equal A x) in (eq_ind A x TMP_36 TMP_35 y H)))))).
76 \forall (A: Type[0]).(\forall (x: A).(\forall (P: ((A \to Prop))).((P x) \to
77 (\forall (y: A).((eq A y x) \to (P y))))))
79 \lambda (A: Type[0]).(\lambda (x: A).(\lambda (P: ((A \to Prop))).(\lambda
80 (H: (P x)).(\lambda (y: A).(\lambda (H0: (eq A y x)).(match (sym_eq A y x H0)
81 in eq with [refl_equal \Rightarrow H])))))).
84 \forall (A: Type[0]).(\forall (x: A).(\forall (y: A).(\forall (z: A).((eq A
85 x y) \to ((eq A y z) \to (eq A x z))))))
87 \lambda (A: Type[0]).(\lambda (x: A).(\lambda (y: A).(\lambda (z:
88 A).(\lambda (H: (eq A x y)).(\lambda (H0: (eq A y z)).(let TMP_37 \def
89 (\lambda (a: A).(eq A x a)) in (eq_ind A y TMP_37 H z H0))))))).
92 \forall (A: Type[0]).(\forall (x: A).(\forall (y: A).((not (eq A x y)) \to
95 \lambda (A: Type[0]).(\lambda (x: A).(\lambda (y: A).(\lambda (h1: (not (eq
96 A x y))).(\lambda (h2: (eq A y x)).(let TMP_39 \def (\lambda (a: A).(eq A a
97 y)) in (let TMP_38 \def (refl_equal A y) in (let TMP_40 \def (eq_ind A y
98 TMP_39 TMP_38 x h2) in (h1 TMP_40)))))))).
100 theorem nat_double_ind:
101 \forall (R: ((nat \to (nat \to Prop)))).(((\forall (n: nat).(R O n))) \to
102 (((\forall (n: nat).(R (S n) O))) \to (((\forall (n: nat).(\forall (m:
103 nat).((R n m) \to (R (S n) (S m)))))) \to (\forall (n: nat).(\forall (m:
106 \lambda (R: ((nat \to (nat \to Prop)))).(\lambda (H: ((\forall (n: nat).(R O
107 n)))).(\lambda (H0: ((\forall (n: nat).(R (S n) O)))).(\lambda (H1: ((\forall
108 (n: nat).(\forall (m: nat).((R n m) \to (R (S n) (S m))))))).(\lambda (n:
109 nat).(let TMP_47 \def (\lambda (n0: nat).(\forall (m: nat).(R n0 m))) in (let
110 TMP_46 \def (\lambda (n0: nat).(\lambda (H2: ((\forall (m: nat).(R n0
111 m)))).(\lambda (m: nat).(let TMP_45 \def (\lambda (n1: nat).(let TMP_44 \def
112 (S n0) in (R TMP_44 n1))) in (let TMP_43 \def (H0 n0) in (let TMP_42 \def
113 (\lambda (n1: nat).(\lambda (_: (R (S n0) n1)).(let TMP_41 \def (H2 n1) in
114 (H1 n0 n1 TMP_41)))) in (nat_ind TMP_45 TMP_43 TMP_42 m))))))) in (nat_ind
115 TMP_47 H TMP_46 n))))))).
118 \forall (n: nat).(\forall (m: nat).((eq nat (S n) (S m)) \to (eq nat n m)))
120 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (eq nat (S n) (S m))).(let
121 TMP_49 \def (S n) in (let TMP_48 \def (S m) in (f_equal nat nat pred TMP_49
125 \forall (n: nat).(not (eq nat O (S n)))
127 \lambda (n: nat).(\lambda (H: (eq nat O (S n))).(let TMP_53 \def (S n) in
128 (let TMP_52 \def (\lambda (n0: nat).(IsSucc n0)) in (let TMP_50 \def (S n) in
129 (let TMP_51 \def (sym_eq nat O TMP_50 H) in (eq_ind nat TMP_53 TMP_52 I O
133 \forall (n: nat).(\forall (m: nat).((not (eq nat n m)) \to (not (eq nat (S
136 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (not (eq nat n m))).(\lambda
137 (H0: (eq nat (S n) (S m))).(let TMP_54 \def (eq_add_S n m H0) in (H
141 \forall (m: nat).(eq nat m (pred (S m)))
143 \lambda (m: nat).(let TMP_55 \def (S m) in (let TMP_56 \def (pred TMP_55) in
144 (refl_equal nat TMP_56))).
147 \forall (n: nat).(\forall (m: nat).((lt m n) \to (eq nat n (S (pred n)))))
149 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (lt m n)).(let TMP_68 \def
150 (S m) in (let TMP_67 \def (\lambda (n0: nat).(let TMP_65 \def (pred n0) in
151 (let TMP_66 \def (S TMP_65) in (eq nat n0 TMP_66)))) in (let TMP_61 \def (S
152 m) in (let TMP_62 \def (pred TMP_61) in (let TMP_63 \def (S TMP_62) in (let
153 TMP_64 \def (refl_equal nat TMP_63) in (let TMP_60 \def (\lambda (m0:
154 nat).(\lambda (_: (le (S m) m0)).(\lambda (_: (eq nat m0 (S (pred m0)))).(let
155 TMP_57 \def (S m0) in (let TMP_58 \def (pred TMP_57) in (let TMP_59 \def (S
156 TMP_58) in (refl_equal nat TMP_59))))))) in (le_ind TMP_68 TMP_67 TMP_64
157 TMP_60 n H)))))))))).
160 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((le n m) \to ((le m p)
163 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (le n
164 m)).(\lambda (H0: (le m p)).(let TMP_70 \def (\lambda (n0: nat).(le n n0)) in
165 (let TMP_69 \def (\lambda (m0: nat).(\lambda (_: (le m m0)).(\lambda (IHle:
166 (le n m0)).(le_S n m0 IHle)))) in (le_ind m TMP_70 H TMP_69 p H0))))))).
169 \forall (n: nat).(\forall (m: nat).((le (S n) m) \to (le n m)))
171 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le (S n) m)).(let TMP_73
172 \def (S n) in (let TMP_71 \def (le_n n) in (let TMP_72 \def (le_S n n TMP_71)
173 in (le_trans n TMP_73 m TMP_72 H)))))).
176 \forall (n: nat).(\forall (m: nat).((le n m) \to (le (S n) (S m))))
178 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).(let TMP_81 \def
179 (\lambda (n0: nat).(let TMP_80 \def (S n) in (let TMP_79 \def (S n0) in (le
180 TMP_80 TMP_79)))) in (let TMP_77 \def (S n) in (let TMP_78 \def (le_n TMP_77)
181 in (let TMP_76 \def (\lambda (m0: nat).(\lambda (_: (le n m0)).(\lambda
182 (IHle: (le (S n) (S m0))).(let TMP_75 \def (S n) in (let TMP_74 \def (S m0)
183 in (le_S TMP_75 TMP_74 IHle)))))) in (le_ind n TMP_81 TMP_78 TMP_76 m
187 \forall (n: nat).(le O n)
189 \lambda (n: nat).(let TMP_84 \def (\lambda (n0: nat).(le O n0)) in (let
190 TMP_83 \def (le_n O) in (let TMP_82 \def (\lambda (n0: nat).(\lambda (IHn:
191 (le O n0)).(le_S O n0 IHn))) in (nat_ind TMP_84 TMP_83 TMP_82 n)))).
194 \forall (n: nat).(\forall (m: nat).((le (S n) (S m)) \to (le n m)))
196 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le (S n) (S m))).(let
197 TMP_92 \def (S n) in (let TMP_91 \def (\lambda (n0: nat).(let TMP_89 \def (S
198 n) in (let TMP_90 \def (pred TMP_89) in (let TMP_88 \def (pred n0) in (le
199 TMP_90 TMP_88))))) in (let TMP_87 \def (le_n n) in (let TMP_86 \def (\lambda
200 (m0: nat).(\lambda (H0: (le (S n) m0)).(\lambda (_: (le n (pred
201 m0))).(le_trans_S n m0 H0)))) in (let TMP_85 \def (S m) in (le_ind TMP_92
202 TMP_91 TMP_87 TMP_86 TMP_85 H)))))))).
205 \forall (n: nat).(not (le (S n) O))
207 \lambda (n: nat).(\lambda (H: (le (S n) O)).(let TMP_95 \def (S n) in (let
208 TMP_94 \def (\lambda (n0: nat).(IsSucc n0)) in (let TMP_93 \def (\lambda (m:
209 nat).(\lambda (_: (le (S n) m)).(\lambda (_: (IsSucc m)).I))) in (le_ind
210 TMP_95 TMP_94 I TMP_93 O H))))).
213 \forall (n: nat).(not (le (S n) n))
215 \lambda (n: nat).(let TMP_102 \def (\lambda (n0: nat).(let TMP_100 \def (S
216 n0) in (let TMP_101 \def (le TMP_100 n0) in (not TMP_101)))) in (let TMP_99
217 \def (le_Sn_O O) in (let TMP_98 \def (\lambda (n0: nat).(\lambda (IHn: (not
218 (le (S n0) n0))).(\lambda (H: (le (S (S n0)) (S n0))).(let TMP_96 \def (S n0)
219 in (let TMP_97 \def (le_S_n TMP_96 n0 H) in (IHn TMP_97)))))) in (nat_ind
220 TMP_102 TMP_99 TMP_98 n)))).
223 \forall (n: nat).(\forall (m: nat).((le n m) \to ((le m n) \to (eq nat n
226 \lambda (n: nat).(\lambda (m: nat).(\lambda (h: (le n m)).(let TMP_110 \def
227 (\lambda (n0: nat).((le n0 n) \to (eq nat n n0))) in (let TMP_109 \def
228 (\lambda (_: (le n n)).(refl_equal nat n)) in (let TMP_108 \def (\lambda (m0:
229 nat).(\lambda (H: (le n m0)).(\lambda (_: (((le m0 n) \to (eq nat n
230 m0)))).(\lambda (H1: (le (S m0) n)).(let TMP_106 \def (S m0) in (let TMP_107
231 \def (eq nat n TMP_106) in (let TMP_103 \def (S m0) in (let H2 \def (le_trans
232 TMP_103 n m0 H1 H) in (let H3 \def (le_Sn_n m0) in (let TMP_104 \def (\lambda
233 (H4: (le (S m0) m0)).(H3 H4)) in (let TMP_105 \def (TMP_104 H2) in (False_ind
234 TMP_107 TMP_105)))))))))))) in (le_ind n TMP_110 TMP_109 TMP_108 m h)))))).
237 \forall (n: nat).((le n O) \to (eq nat O n))
239 \lambda (n: nat).(\lambda (H: (le n O)).(let TMP_111 \def (le_O_n n) in
240 (le_antisym O n TMP_111 H))).
243 \forall (P: ((nat \to (nat \to Prop)))).(((\forall (p: nat).(P O p))) \to
244 (((\forall (p: nat).(\forall (q: nat).((le p q) \to ((P p q) \to (P (S p) (S
245 q))))))) \to (\forall (n: nat).(\forall (m: nat).((le n m) \to (P n m))))))
247 \lambda (P: ((nat \to (nat \to Prop)))).(\lambda (H: ((\forall (p: nat).(P O
248 p)))).(\lambda (H0: ((\forall (p: nat).(\forall (q: nat).((le p q) \to ((P p
249 q) \to (P (S p) (S q)))))))).(\lambda (n: nat).(let TMP_125 \def (\lambda
250 (n0: nat).(\forall (m: nat).((le n0 m) \to (P n0 m)))) in (let TMP_124 \def
251 (\lambda (m: nat).(\lambda (_: (le O m)).(H m))) in (let TMP_123 \def
252 (\lambda (n0: nat).(\lambda (IHn: ((\forall (m: nat).((le n0 m) \to (P n0
253 m))))).(\lambda (m: nat).(\lambda (Le: (le (S n0) m)).(let TMP_122 \def (S
254 n0) in (let TMP_121 \def (\lambda (n1: nat).(let TMP_120 \def (S n0) in (P
255 TMP_120 n1))) in (let TMP_118 \def (le_n n0) in (let TMP_116 \def (le_n n0)
256 in (let TMP_117 \def (IHn n0 TMP_116) in (let TMP_119 \def (H0 n0 n0 TMP_118
257 TMP_117) in (let TMP_115 \def (\lambda (m0: nat).(\lambda (H1: (le (S n0)
258 m0)).(\lambda (_: (P (S n0) m0)).(let TMP_114 \def (le_trans_S n0 m0 H1) in
259 (let TMP_112 \def (le_trans_S n0 m0 H1) in (let TMP_113 \def (IHn m0 TMP_112)
260 in (H0 n0 m0 TMP_114 TMP_113))))))) in (le_ind TMP_122 TMP_121 TMP_119
261 TMP_115 m Le)))))))))))) in (nat_ind TMP_125 TMP_124 TMP_123 n))))))).
264 \forall (n: nat).(not (lt n n))
269 \forall (n: nat).(\forall (m: nat).((lt n m) \to (lt (S n) (S m))))
271 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (lt n m)).(let TMP_126 \def
272 (S n) in (le_n_S TMP_126 m H)))).
275 \forall (n: nat).(lt n (S n))
277 \lambda (n: nat).(let TMP_127 \def (S n) in (le_n TMP_127)).
280 \forall (n: nat).(\forall (m: nat).((lt (S n) (S m)) \to (lt n m)))
282 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (lt (S n) (S m))).(let
283 TMP_128 \def (S n) in (le_S_n TMP_128 m H)))).
286 \forall (n: nat).(not (lt n O))
291 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((lt n m) \to ((lt m p)
294 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (lt n
295 m)).(\lambda (H0: (lt m p)).(let TMP_134 \def (S m) in (let TMP_133 \def
296 (\lambda (n0: nat).(lt n n0)) in (let TMP_131 \def (S n) in (let TMP_132 \def
297 (le_S TMP_131 m H) in (let TMP_130 \def (\lambda (m0: nat).(\lambda (_: (le
298 (S m) m0)).(\lambda (IHle: (lt n m0)).(let TMP_129 \def (S n) in (le_S
299 TMP_129 m0 IHle))))) in (le_ind TMP_134 TMP_133 TMP_132 TMP_130 p
303 \forall (n: nat).(lt O (S n))
305 \lambda (n: nat).(let TMP_135 \def (le_O_n n) in (le_n_S O n TMP_135)).
308 \forall (n: nat).(\forall (p: nat).((lt n p) \to (le (S n) p)))
310 \lambda (n: nat).(\lambda (p: nat).(\lambda (H: (lt n p)).H)).
313 \forall (n: nat).(\forall (m: nat).((le n m) \to (not (lt m n))))
315 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).(let TMP_141 \def
316 (\lambda (n0: nat).(let TMP_140 \def (lt n0 n) in (not TMP_140))) in (let
317 TMP_139 \def (lt_n_n n) in (let TMP_138 \def (\lambda (m0: nat).(\lambda (_:
318 (le n m0)).(\lambda (IHle: (not (lt m0 n))).(\lambda (H1: (lt (S m0) n)).(let
319 TMP_136 \def (S m0) in (let TMP_137 \def (le_trans_S TMP_136 n H1) in (IHle
320 TMP_137))))))) in (le_ind n TMP_141 TMP_139 TMP_138 m H)))))).
323 \forall (n: nat).(\forall (m: nat).((le n m) \to (lt n (S m))))
325 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).(le_n_S n m H))).
328 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((le n m) \to ((lt m p)
331 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (le n
332 m)).(\lambda (H0: (lt m p)).(let TMP_146 \def (S m) in (let TMP_145 \def
333 (\lambda (n0: nat).(lt n n0)) in (let TMP_144 \def (le_n_S n m H) in (let
334 TMP_143 \def (\lambda (m0: nat).(\lambda (_: (le (S m) m0)).(\lambda (IHle:
335 (lt n m0)).(let TMP_142 \def (S n) in (le_S TMP_142 m0 IHle))))) in (le_ind
336 TMP_146 TMP_145 TMP_144 TMP_143 p H0))))))))).
339 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((lt n m) \to ((le m p)
342 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (lt n
343 m)).(\lambda (H0: (le m p)).(let TMP_149 \def (\lambda (n0: nat).(lt n n0))
344 in (let TMP_148 \def (\lambda (m0: nat).(\lambda (_: (le m m0)).(\lambda
345 (IHle: (lt n m0)).(let TMP_147 \def (S n) in (le_S TMP_147 m0 IHle))))) in
346 (le_ind m TMP_149 H TMP_148 p H0))))))).
349 \forall (n: nat).(\forall (m: nat).((lt n m) \to (le n m)))
351 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (lt n m)).(le_trans_S n m
355 \forall (n: nat).(\forall (m: nat).((lt n (S m)) \to (le n m)))
357 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (lt n (S m))).(le_S_n n m
361 \forall (n: nat).(\forall (m: nat).((le n m) \to (or (lt n m) (eq nat n m))))
363 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).(let TMP_162 \def
364 (\lambda (n0: nat).(let TMP_161 \def (lt n n0) in (let TMP_160 \def (eq nat n
365 n0) in (or TMP_161 TMP_160)))) in (let TMP_158 \def (lt n n) in (let TMP_157
366 \def (eq nat n n) in (let TMP_156 \def (refl_equal nat n) in (let TMP_159
367 \def (or_intror TMP_158 TMP_157 TMP_156) in (let TMP_155 \def (\lambda (m0:
368 nat).(\lambda (H0: (le n m0)).(\lambda (_: (or (lt n m0) (eq nat n m0))).(let
369 TMP_153 \def (S m0) in (let TMP_154 \def (lt n TMP_153) in (let TMP_151 \def
370 (S m0) in (let TMP_152 \def (eq nat n TMP_151) in (let TMP_150 \def (le_n_S n
371 m0 H0) in (or_introl TMP_154 TMP_152 TMP_150))))))))) in (le_ind n TMP_162
372 TMP_159 TMP_155 m H))))))))).
375 \forall (n: nat).(\forall (m: nat).(or (le n m) (lt m n)))
377 \lambda (n: nat).(\lambda (m: nat).(let TMP_204 \def (\lambda (n0:
378 nat).(\lambda (n1: nat).(let TMP_203 \def (le n0 n1) in (let TMP_202 \def (lt
379 n1 n0) in (or TMP_203 TMP_202))))) in (let TMP_201 \def (\lambda (n0:
380 nat).(let TMP_200 \def (le O n0) in (let TMP_199 \def (lt n0 O) in (let
381 TMP_198 \def (le_O_n n0) in (or_introl TMP_200 TMP_199 TMP_198))))) in (let
382 TMP_197 \def (\lambda (n0: nat).(let TMP_195 \def (S n0) in (let TMP_196 \def
383 (le TMP_195 O) in (let TMP_193 \def (S n0) in (let TMP_194 \def (lt O
384 TMP_193) in (let TMP_191 \def (S n0) in (let TMP_190 \def (lt_O_Sn n0) in
385 (let TMP_192 \def (lt_le_S O TMP_191 TMP_190) in (or_intror TMP_196 TMP_194
386 TMP_192))))))))) in (let TMP_189 \def (\lambda (n0: nat).(\lambda (m0:
387 nat).(\lambda (H: (or (le n0 m0) (lt m0 n0))).(let TMP_188 \def (le n0 m0) in
388 (let TMP_187 \def (lt m0 n0) in (let TMP_184 \def (S n0) in (let TMP_183 \def
389 (S m0) in (let TMP_185 \def (le TMP_184 TMP_183) in (let TMP_181 \def (S m0)
390 in (let TMP_180 \def (S n0) in (let TMP_182 \def (lt TMP_181 TMP_180) in (let
391 TMP_186 \def (or TMP_185 TMP_182) in (let TMP_179 \def (\lambda (H0: (le n0
392 m0)).(let TMP_177 \def (S n0) in (let TMP_176 \def (S m0) in (let TMP_178
393 \def (le TMP_177 TMP_176) in (let TMP_174 \def (S m0) in (let TMP_173 \def (S
394 n0) in (let TMP_175 \def (lt TMP_174 TMP_173) in (let TMP_172 \def (le_n_S n0
395 m0 H0) in (or_introl TMP_178 TMP_175 TMP_172))))))))) in (let TMP_171 \def
396 (\lambda (H0: (lt m0 n0)).(let TMP_169 \def (S n0) in (let TMP_168 \def (S
397 m0) in (let TMP_170 \def (le TMP_169 TMP_168) in (let TMP_166 \def (S m0) in
398 (let TMP_165 \def (S n0) in (let TMP_167 \def (lt TMP_166 TMP_165) in (let
399 TMP_163 \def (S m0) in (let TMP_164 \def (le_n_S TMP_163 n0 H0) in (or_intror
400 TMP_170 TMP_167 TMP_164)))))))))) in (or_ind TMP_188 TMP_187 TMP_186 TMP_179
401 TMP_171 H))))))))))))))) in (nat_double_ind TMP_204 TMP_201 TMP_197 TMP_189 n
405 \forall (n: nat).(eq nat n (plus n O))
407 \lambda (n: nat).(let TMP_209 \def (\lambda (n0: nat).(let TMP_208 \def
408 (plus n0 O) in (eq nat n0 TMP_208))) in (let TMP_207 \def (refl_equal nat O)
409 in (let TMP_206 \def (\lambda (n0: nat).(\lambda (H: (eq nat n0 (plus n0
410 O))).(let TMP_205 \def (plus n0 O) in (f_equal nat nat S n0 TMP_205 H)))) in
411 (nat_ind TMP_209 TMP_207 TMP_206 n)))).
414 \forall (n: nat).(\forall (m: nat).(eq nat (S (plus n m)) (plus n (S m))))
416 \lambda (m: nat).(\lambda (n: nat).(let TMP_221 \def (\lambda (n0: nat).(let
417 TMP_219 \def (plus n0 n) in (let TMP_220 \def (S TMP_219) in (let TMP_217
418 \def (S n) in (let TMP_218 \def (plus n0 TMP_217) in (eq nat TMP_220
419 TMP_218)))))) in (let TMP_215 \def (S n) in (let TMP_216 \def (refl_equal nat
420 TMP_215) in (let TMP_214 \def (\lambda (n0: nat).(\lambda (H: (eq nat (S
421 (plus n0 n)) (plus n0 (S n)))).(let TMP_212 \def (plus n0 n) in (let TMP_213
422 \def (S TMP_212) in (let TMP_210 \def (S n) in (let TMP_211 \def (plus n0
423 TMP_210) in (f_equal nat nat S TMP_213 TMP_211 H))))))) in (nat_ind TMP_221
424 TMP_216 TMP_214 m)))))).
427 \forall (n: nat).(\forall (m: nat).(eq nat (plus n m) (plus m n)))
429 \lambda (n: nat).(\lambda (m: nat).(let TMP_237 \def (\lambda (n0: nat).(let
430 TMP_236 \def (plus n0 m) in (let TMP_235 \def (plus m n0) in (eq nat TMP_236
431 TMP_235)))) in (let TMP_234 \def (plus_n_O m) in (let TMP_233 \def (\lambda
432 (y: nat).(\lambda (H: (eq nat (plus y m) (plus m y))).(let TMP_231 \def (plus
433 m y) in (let TMP_232 \def (S TMP_231) in (let TMP_230 \def (\lambda (n0:
434 nat).(let TMP_228 \def (plus y m) in (let TMP_229 \def (S TMP_228) in (eq nat
435 TMP_229 n0)))) in (let TMP_226 \def (plus y m) in (let TMP_225 \def (plus m
436 y) in (let TMP_227 \def (f_equal nat nat S TMP_226 TMP_225 H) in (let TMP_223
437 \def (S y) in (let TMP_224 \def (plus m TMP_223) in (let TMP_222 \def
438 (plus_n_Sm m y) in (eq_ind nat TMP_232 TMP_230 TMP_227 TMP_224
439 TMP_222)))))))))))) in (nat_ind TMP_237 TMP_234 TMP_233 n))))).
441 theorem plus_Snm_nSm:
442 \forall (n: nat).(\forall (m: nat).(eq nat (plus (S n) m) (plus n (S m))))
444 \lambda (n: nat).(\lambda (m: nat).(let TMP_257 \def (plus m n) in (let
445 TMP_256 \def (\lambda (n0: nat).(let TMP_255 \def (S n0) in (let TMP_253 \def
446 (S m) in (let TMP_254 \def (plus n TMP_253) in (eq nat TMP_255 TMP_254)))))
447 in (let TMP_250 \def (S m) in (let TMP_251 \def (plus TMP_250 n) in (let
448 TMP_249 \def (\lambda (n0: nat).(let TMP_247 \def (plus m n) in (let TMP_248
449 \def (S TMP_247) in (eq nat TMP_248 n0)))) in (let TMP_244 \def (S m) in (let
450 TMP_245 \def (plus TMP_244 n) in (let TMP_246 \def (refl_equal nat TMP_245)
451 in (let TMP_242 \def (S m) in (let TMP_243 \def (plus n TMP_242) in (let
452 TMP_240 \def (S m) in (let TMP_241 \def (plus_sym n TMP_240) in (let TMP_252
453 \def (eq_ind_r nat TMP_251 TMP_249 TMP_246 TMP_243 TMP_241) in (let TMP_239
454 \def (plus n m) in (let TMP_238 \def (plus_sym n m) in (eq_ind_r nat TMP_257
455 TMP_256 TMP_252 TMP_239 TMP_238))))))))))))))))).
457 theorem plus_assoc_l:
458 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(eq nat (plus n (plus m
459 p)) (plus (plus n m) p))))
461 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_269 \def
462 (\lambda (n0: nat).(let TMP_267 \def (plus m p) in (let TMP_268 \def (plus n0
463 TMP_267) in (let TMP_265 \def (plus n0 m) in (let TMP_266 \def (plus TMP_265
464 p) in (eq nat TMP_268 TMP_266)))))) in (let TMP_263 \def (plus m p) in (let
465 TMP_264 \def (refl_equal nat TMP_263) in (let TMP_262 \def (\lambda (n0:
466 nat).(\lambda (H: (eq nat (plus n0 (plus m p)) (plus (plus n0 m) p))).(let
467 TMP_260 \def (plus m p) in (let TMP_261 \def (plus n0 TMP_260) in (let
468 TMP_258 \def (plus n0 m) in (let TMP_259 \def (plus TMP_258 p) in (f_equal
469 nat nat S TMP_261 TMP_259 H))))))) in (nat_ind TMP_269 TMP_264 TMP_262
472 theorem plus_assoc_r:
473 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(eq nat (plus (plus n
474 m) p) (plus n (plus m p)))))
476 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_273 \def (plus
477 m p) in (let TMP_274 \def (plus n TMP_273) in (let TMP_271 \def (plus n m) in
478 (let TMP_272 \def (plus TMP_271 p) in (let TMP_270 \def (plus_assoc_l n m p)
479 in (sym_eq nat TMP_274 TMP_272 TMP_270)))))))).
481 theorem simpl_plus_l:
482 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((eq nat (plus n m)
483 (plus n p)) \to (eq nat m p))))
485 \lambda (n: nat).(let TMP_287 \def (\lambda (n0: nat).(\forall (m:
486 nat).(\forall (p: nat).((eq nat (plus n0 m) (plus n0 p)) \to (eq nat m p)))))
487 in (let TMP_286 \def (\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (eq nat
488 m p)).H))) in (let TMP_285 \def (\lambda (n0: nat).(\lambda (IHn: ((\forall
489 (m: nat).(\forall (p: nat).((eq nat (plus n0 m) (plus n0 p)) \to (eq nat m
490 p)))))).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (eq nat (S (plus n0
491 m)) (S (plus n0 p)))).(let TMP_283 \def (plus n0 m) in (let TMP_282 \def
492 (plus n0 p) in (let TMP_280 \def (plus n0) in (let TMP_279 \def (plus n0 m)
493 in (let TMP_278 \def (plus n0 p) in (let TMP_276 \def (plus n0 m) in (let
494 TMP_275 \def (plus n0 p) in (let TMP_277 \def (eq_add_S TMP_276 TMP_275 H) in
495 (let TMP_281 \def (f_equal nat nat TMP_280 TMP_279 TMP_278 TMP_277) in (let
496 TMP_284 \def (IHn TMP_283 TMP_282 TMP_281) in (IHn m p
497 TMP_284)))))))))))))))) in (nat_ind TMP_287 TMP_286 TMP_285 n)))).
500 \forall (n: nat).(eq nat n (minus n O))
502 \lambda (n: nat).(let TMP_292 \def (\lambda (n0: nat).(let TMP_291 \def
503 (minus n0 O) in (eq nat n0 TMP_291))) in (let TMP_290 \def (refl_equal nat O)
504 in (let TMP_289 \def (\lambda (n0: nat).(\lambda (_: (eq nat n0 (minus n0
505 O))).(let TMP_288 \def (S n0) in (refl_equal nat TMP_288)))) in (nat_ind
506 TMP_292 TMP_290 TMP_289 n)))).
509 \forall (n: nat).(eq nat O (minus n n))
511 \lambda (n: nat).(let TMP_296 \def (\lambda (n0: nat).(let TMP_295 \def
512 (minus n0 n0) in (eq nat O TMP_295))) in (let TMP_294 \def (refl_equal nat O)
513 in (let TMP_293 \def (\lambda (n0: nat).(\lambda (IHn: (eq nat O (minus n0
514 n0))).IHn)) in (nat_ind TMP_296 TMP_294 TMP_293 n)))).
517 \forall (n: nat).(\forall (m: nat).((le m n) \to (eq nat (S (minus n m))
520 \lambda (n: nat).(\lambda (m: nat).(\lambda (Le: (le m n)).(let TMP_307 \def
521 (\lambda (n0: nat).(\lambda (n1: nat).(let TMP_305 \def (minus n1 n0) in (let
522 TMP_306 \def (S TMP_305) in (let TMP_303 \def (S n1) in (let TMP_304 \def
523 (minus TMP_303 n0) in (eq nat TMP_306 TMP_304))))))) in (let TMP_302 \def
524 (\lambda (p: nat).(let TMP_301 \def (minus p O) in (let TMP_299 \def (minus p
525 O) in (let TMP_298 \def (minus_n_O p) in (let TMP_300 \def (sym_eq nat p
526 TMP_299 TMP_298) in (f_equal nat nat S TMP_301 p TMP_300)))))) in (let
527 TMP_297 \def (\lambda (p: nat).(\lambda (q: nat).(\lambda (_: (le p
528 q)).(\lambda (H0: (eq nat (S (minus q p)) (match p with [O \Rightarrow (S q)
529 | (S l) \Rightarrow (minus q l)]))).H0)))) in (le_elim_rel TMP_307 TMP_302
530 TMP_297 m n Le)))))).
533 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((eq nat n (plus m p))
534 \to (eq nat p (minus n m)))))
536 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_322 \def
537 (\lambda (n0: nat).(\lambda (n1: nat).((eq nat n1 (plus n0 p)) \to (let
538 TMP_321 \def (minus n1 n0) in (eq nat p TMP_321))))) in (let TMP_320 \def
539 (\lambda (n0: nat).(\lambda (H: (eq nat n0 p)).(let TMP_319 \def (\lambda
540 (n1: nat).(eq nat p n1)) in (let TMP_318 \def (sym_eq nat n0 p H) in (let
541 TMP_317 \def (minus n0 O) in (let TMP_316 \def (minus_n_O n0) in (eq_ind nat
542 n0 TMP_319 TMP_318 TMP_317 TMP_316))))))) in (let TMP_315 \def (\lambda (n0:
543 nat).(\lambda (H: (eq nat O (S (plus n0 p)))).(let TMP_314 \def (eq nat p O)
544 in (let H0 \def H in (let TMP_311 \def (plus n0 p) in (let H1 \def (O_S
545 TMP_311) in (let TMP_312 \def (\lambda (H2: (eq nat O (S (plus n0 p)))).(H1
546 H2)) in (let TMP_313 \def (TMP_312 H0) in (False_ind TMP_314 TMP_313)))))))))
547 in (let TMP_310 \def (\lambda (n0: nat).(\lambda (m0: nat).(\lambda (H: (((eq
548 nat m0 (plus n0 p)) \to (eq nat p (minus m0 n0))))).(\lambda (H0: (eq nat (S
549 m0) (S (plus n0 p)))).(let TMP_308 \def (plus n0 p) in (let TMP_309 \def
550 (eq_add_S m0 TMP_308 H0) in (H TMP_309))))))) in (nat_double_ind TMP_322
551 TMP_320 TMP_315 TMP_310 m n))))))).
554 \forall (n: nat).(\forall (m: nat).(eq nat (minus (plus n m) n) m))
556 \lambda (n: nat).(\lambda (m: nat).(let TMP_327 \def (plus n m) in (let
557 TMP_328 \def (minus TMP_327 n) in (let TMP_325 \def (plus n m) in (let
558 TMP_323 \def (plus n m) in (let TMP_324 \def (refl_equal nat TMP_323) in (let
559 TMP_326 \def (plus_minus TMP_325 n m TMP_324) in (sym_eq nat m TMP_328
563 \forall (n: nat).(le (pred n) n)
565 \lambda (n: nat).(let TMP_335 \def (\lambda (n0: nat).(let TMP_334 \def
566 (pred n0) in (le TMP_334 n0))) in (let TMP_333 \def (le_n O) in (let TMP_332
567 \def (\lambda (n0: nat).(\lambda (_: (le (pred n0) n0)).(let TMP_330 \def (S
568 n0) in (let TMP_331 \def (pred TMP_330) in (let TMP_329 \def (le_n n0) in
569 (le_S TMP_331 n0 TMP_329)))))) in (nat_ind TMP_335 TMP_333 TMP_332 n)))).
572 \forall (n: nat).(\forall (m: nat).(le n (plus n m)))
574 \lambda (n: nat).(let TMP_341 \def (\lambda (n0: nat).(\forall (m: nat).(let
575 TMP_340 \def (plus n0 m) in (le n0 TMP_340)))) in (let TMP_339 \def (\lambda
576 (m: nat).(le_O_n m)) in (let TMP_338 \def (\lambda (n0: nat).(\lambda (IHn:
577 ((\forall (m: nat).(le n0 (plus n0 m))))).(\lambda (m: nat).(let TMP_337 \def
578 (plus n0 m) in (let TMP_336 \def (IHn m) in (le_n_S n0 TMP_337 TMP_336))))))
579 in (nat_ind TMP_341 TMP_339 TMP_338 n)))).
582 \forall (n: nat).(\forall (m: nat).(le m (plus n m)))
584 \lambda (n: nat).(\lambda (m: nat).(let TMP_346 \def (\lambda (n0: nat).(let
585 TMP_345 \def (plus n0 m) in (le m TMP_345))) in (let TMP_344 \def (le_n m) in
586 (let TMP_343 \def (\lambda (n0: nat).(\lambda (H: (le m (plus n0 m))).(let
587 TMP_342 \def (plus n0 m) in (le_S m TMP_342 H)))) in (nat_ind TMP_346 TMP_344
590 theorem simpl_le_plus_l:
591 \forall (p: nat).(\forall (n: nat).(\forall (m: nat).((le (plus p n) (plus p
594 \lambda (p: nat).(let TMP_352 \def (\lambda (n: nat).(\forall (n0:
595 nat).(\forall (m: nat).((le (plus n n0) (plus n m)) \to (le n0 m))))) in (let
596 TMP_351 \def (\lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).H)))
597 in (let TMP_350 \def (\lambda (p0: nat).(\lambda (IHp: ((\forall (n:
598 nat).(\forall (m: nat).((le (plus p0 n) (plus p0 m)) \to (le n
599 m)))))).(\lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le (S (plus p0 n))
600 (S (plus p0 m)))).(let TMP_348 \def (plus p0 n) in (let TMP_347 \def (plus p0
601 m) in (let TMP_349 \def (le_S_n TMP_348 TMP_347 H) in (IHp n m
602 TMP_349))))))))) in (nat_ind TMP_352 TMP_351 TMP_350 p)))).
604 theorem le_plus_trans:
605 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((le n m) \to (le n
608 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (le n
609 m)).(let TMP_354 \def (plus m p) in (let TMP_353 \def (le_plus_l m p) in
610 (le_trans n m TMP_354 H TMP_353)))))).
613 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((le n m) \to (le (plus
616 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_362 \def
617 (\lambda (n0: nat).((le n m) \to (let TMP_361 \def (plus n0 n) in (let
618 TMP_360 \def (plus n0 m) in (le TMP_361 TMP_360))))) in (let TMP_359 \def
619 (\lambda (H: (le n m)).H) in (let TMP_358 \def (\lambda (p0: nat).(\lambda
620 (IHp: (((le n m) \to (le (plus p0 n) (plus p0 m))))).(\lambda (H: (le n
621 m)).(let TMP_357 \def (plus p0 n) in (let TMP_356 \def (plus p0 m) in (let
622 TMP_355 \def (IHp H) in (le_n_S TMP_357 TMP_356 TMP_355))))))) in (nat_ind
623 TMP_362 TMP_359 TMP_358 p)))))).
625 theorem le_plus_plus:
626 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(\forall (q: nat).((le
627 n m) \to ((le p q) \to (le (plus n p) (plus m q)))))))
629 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (q:
630 nat).(\lambda (H: (le n m)).(\lambda (H0: (le p q)).(let TMP_369 \def
631 (\lambda (n0: nat).(let TMP_368 \def (plus n p) in (let TMP_367 \def (plus n0
632 q) in (le TMP_368 TMP_367)))) in (let TMP_366 \def (le_reg_l p q n H0) in
633 (let TMP_365 \def (\lambda (m0: nat).(\lambda (_: (le n m0)).(\lambda (H2:
634 (le (plus n p) (plus m0 q))).(let TMP_364 \def (plus n p) in (let TMP_363
635 \def (plus m0 q) in (le_S TMP_364 TMP_363 H2)))))) in (le_ind n TMP_369
636 TMP_366 TMP_365 m H))))))))).
638 theorem le_plus_minus:
639 \forall (n: nat).(\forall (m: nat).((le n m) \to (eq nat m (plus n (minus m
642 \lambda (n: nat).(\lambda (m: nat).(\lambda (Le: (le n m)).(let TMP_376 \def
643 (\lambda (n0: nat).(\lambda (n1: nat).(let TMP_374 \def (minus n1 n0) in (let
644 TMP_375 \def (plus n0 TMP_374) in (eq nat n1 TMP_375))))) in (let TMP_373
645 \def (\lambda (p: nat).(minus_n_O p)) in (let TMP_372 \def (\lambda (p:
646 nat).(\lambda (q: nat).(\lambda (_: (le p q)).(\lambda (H0: (eq nat q (plus p
647 (minus q p)))).(let TMP_370 \def (minus q p) in (let TMP_371 \def (plus p
648 TMP_370) in (f_equal nat nat S q TMP_371 H0))))))) in (le_elim_rel TMP_376
649 TMP_373 TMP_372 n m Le)))))).
651 theorem le_plus_minus_r:
652 \forall (n: nat).(\forall (m: nat).((le n m) \to (eq nat (plus n (minus m
655 \lambda (n: nat).(\lambda (m: nat).(\lambda (H: (le n m)).(let TMP_378 \def
656 (minus m n) in (let TMP_379 \def (plus n TMP_378) in (let TMP_377 \def
657 (le_plus_minus n m H) in (sym_eq nat m TMP_379 TMP_377)))))).
659 theorem simpl_lt_plus_l:
660 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((lt (plus p n) (plus p
663 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_386 \def
664 (\lambda (n0: nat).((lt (plus n0 n) (plus n0 m)) \to (lt n m))) in (let
665 TMP_385 \def (\lambda (H: (lt n m)).H) in (let TMP_384 \def (\lambda (p0:
666 nat).(\lambda (IHp: (((lt (plus p0 n) (plus p0 m)) \to (lt n m)))).(\lambda
667 (H: (lt (S (plus p0 n)) (S (plus p0 m)))).(let TMP_381 \def (plus p0 n) in
668 (let TMP_382 \def (S TMP_381) in (let TMP_380 \def (plus p0 m) in (let
669 TMP_383 \def (le_S_n TMP_382 TMP_380 H) in (IHp TMP_383)))))))) in (nat_ind
670 TMP_386 TMP_385 TMP_384 p)))))).
673 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((lt n m) \to (lt (plus
676 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(let TMP_394 \def
677 (\lambda (n0: nat).((lt n m) \to (let TMP_393 \def (plus n0 n) in (let
678 TMP_392 \def (plus n0 m) in (lt TMP_393 TMP_392))))) in (let TMP_391 \def
679 (\lambda (H: (lt n m)).H) in (let TMP_390 \def (\lambda (p0: nat).(\lambda
680 (IHp: (((lt n m) \to (lt (plus p0 n) (plus p0 m))))).(\lambda (H: (lt n
681 m)).(let TMP_389 \def (plus p0 n) in (let TMP_388 \def (plus p0 m) in (let
682 TMP_387 \def (IHp H) in (lt_n_S TMP_389 TMP_388 TMP_387))))))) in (nat_ind
683 TMP_394 TMP_391 TMP_390 p)))))).
686 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).((lt n m) \to (lt (plus
689 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (H: (lt n
690 m)).(let TMP_411 \def (plus p n) in (let TMP_410 \def (\lambda (n0: nat).(let
691 TMP_409 \def (plus m p) in (lt n0 TMP_409))) in (let TMP_407 \def (plus p m)
692 in (let TMP_406 \def (\lambda (n0: nat).(let TMP_405 \def (plus p n) in (lt
693 TMP_405 n0))) in (let TMP_403 \def (\lambda (n0: nat).(let TMP_402 \def (plus
694 n0 n) in (let TMP_401 \def (plus n0 m) in (lt TMP_402 TMP_401)))) in (let
695 TMP_400 \def (\lambda (n0: nat).(\lambda (_: (lt (plus n0 n) (plus n0
696 m))).(let TMP_399 \def (S n0) in (lt_reg_l n m TMP_399 H)))) in (let TMP_404
697 \def (nat_ind TMP_403 H TMP_400 p) in (let TMP_398 \def (plus m p) in (let
698 TMP_397 \def (plus_sym m p) in (let TMP_408 \def (eq_ind_r nat TMP_407
699 TMP_406 TMP_404 TMP_398 TMP_397) in (let TMP_396 \def (plus n p) in (let
700 TMP_395 \def (plus_sym n p) in (eq_ind_r nat TMP_411 TMP_410 TMP_408 TMP_396
701 TMP_395)))))))))))))))).
703 theorem le_lt_plus_plus:
704 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(\forall (q: nat).((le
705 n m) \to ((lt p q) \to (lt (plus n p) (plus m q)))))))
707 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (q:
708 nat).(\lambda (H: (le n m)).(\lambda (H0: (le (S p) q)).(let TMP_419 \def (S
709 p) in (let TMP_420 \def (plus n TMP_419) in (let TMP_418 \def (\lambda (n0:
710 nat).(let TMP_417 \def (plus m q) in (le n0 TMP_417))) in (let TMP_415 \def
711 (S p) in (let TMP_416 \def (le_plus_plus n m TMP_415 q H H0) in (let TMP_413
712 \def (S n) in (let TMP_414 \def (plus TMP_413 p) in (let TMP_412 \def
713 (plus_Snm_nSm n p) in (eq_ind_r nat TMP_420 TMP_418 TMP_416 TMP_414
714 TMP_412)))))))))))))).
716 theorem lt_le_plus_plus:
717 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(\forall (q: nat).((lt
718 n m) \to ((le p q) \to (lt (plus n p) (plus m q)))))))
720 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (q:
721 nat).(\lambda (H: (le (S n) m)).(\lambda (H0: (le p q)).(let TMP_421 \def (S
722 n) in (le_plus_plus TMP_421 m p q H H0))))))).
724 theorem lt_plus_plus:
725 \forall (n: nat).(\forall (m: nat).(\forall (p: nat).(\forall (q: nat).((lt
726 n m) \to ((lt p q) \to (lt (plus n p) (plus m q)))))))
728 \lambda (n: nat).(\lambda (m: nat).(\lambda (p: nat).(\lambda (q:
729 nat).(\lambda (H: (lt n m)).(\lambda (H0: (lt p q)).(let TMP_422 \def
730 (lt_le_weak p q H0) in (lt_le_plus_plus n m p q H TMP_422))))))).
732 theorem well_founded_ltof:
733 \forall (A: Type[0]).(\forall (f: ((A \to nat))).(well_founded A (ltof A f)))
735 \lambda (A: Type[0]).(\lambda (f: ((A \to nat))).(let H \def (\lambda (n:
736 nat).(let TMP_438 \def (\lambda (n0: nat).(\forall (a: A).((lt (f a) n0) \to
737 (let TMP_437 \def (ltof A f) in (Acc A TMP_437 a))))) in (let TMP_436 \def
738 (\lambda (a: A).(\lambda (H: (lt (f a) O)).(let TMP_434 \def (ltof A f) in
739 (let TMP_435 \def (Acc A TMP_434 a) in (let H0 \def H in (let TMP_431 \def (f
740 a) in (let H1 \def (lt_n_O TMP_431) in (let TMP_432 \def (\lambda (H2: (lt (f
741 a) O)).(H1 H2)) in (let TMP_433 \def (TMP_432 H0) in (False_ind TMP_435
742 TMP_433)))))))))) in (let TMP_430 \def (\lambda (n0: nat).(\lambda (IHn:
743 ((\forall (a: A).((lt (f a) n0) \to (Acc A (ltof A f) a))))).(\lambda (a:
744 A).(\lambda (ltSma: (lt (f a) (S n0))).(let TMP_429 \def (ltof A f) in (let
745 TMP_428 \def (\lambda (b: A).(\lambda (ltfafb: (lt (f b) (f a))).(let TMP_426
746 \def (f b) in (let TMP_425 \def (f a) in (let TMP_423 \def (f a) in (let
747 TMP_424 \def (lt_n_Sm_le TMP_423 n0 ltSma) in (let TMP_427 \def (lt_le_trans
748 TMP_426 TMP_425 n0 ltfafb TMP_424) in (IHn b TMP_427)))))))) in (Acc_intro A
749 TMP_429 a TMP_428))))))) in (nat_ind TMP_438 TMP_436 TMP_430 n))))) in
750 (\lambda (a: A).(let TMP_442 \def (f a) in (let TMP_443 \def (S TMP_442) in
751 (let TMP_439 \def (f a) in (let TMP_440 \def (S TMP_439) in (let TMP_441 \def
752 (le_n TMP_440) in (H TMP_443 a TMP_441))))))))).
757 let TMP_444 \def (\lambda (m: nat).m) in (well_founded_ltof nat TMP_444).
760 \forall (p: nat).(\forall (P: ((nat \to Prop))).(((\forall (n:
761 nat).(((\forall (m: nat).((lt m n) \to (P m)))) \to (P n)))) \to (P p)))
763 \lambda (p: nat).(\lambda (P: ((nat \to Prop))).(\lambda (H: ((\forall (n:
764 nat).(((\forall (m: nat).((lt m n) \to (P m)))) \to (P n))))).(let TMP_447
765 \def (\lambda (n: nat).(P n)) in (let TMP_446 \def (\lambda (x: nat).(\lambda
766 (_: ((\forall (y: nat).((lt y x) \to (Acc nat lt y))))).(\lambda (H1:
767 ((\forall (y: nat).((lt y x) \to (P y))))).(H x H1)))) in (let TMP_445 \def
768 (lt_wf p) in (Acc_ind nat lt TMP_447 TMP_446 p TMP_445)))))).