3 inductive Imply (A,B:CProp) : CProp ≝
4 | Imply_intro: (A → B) → Imply A B.
6 definition Imply_elim ≝ λA,B.λf:Imply A B. λa:A.
7 match f with [ Imply_intro g ⇒ g a].
9 inductive And (A,B:CProp) : CProp ≝
10 | And_intro: A → B → And A B.
12 definition And_elim_l ≝ λA,B.λc:And A B.
13 match c with [ And_intro a b ⇒ a ].
15 definition And_elim_r ≝ λA,B.λc:And A B.
16 match c with [ And_intro a b ⇒ b ].
18 inductive Or (A,B:CProp) : CProp ≝
19 | Or_intro_l: A → Or A B
20 | Or_intro_r: B → Or A B.
22 definition Or_elim ≝ λA,B,C:CProp.λc:Or A B.λfa: A → C.λfb: B → C.
25 | Or_intro_r b ⇒ fb b].
27 inductive Top : CProp :=
30 inductive Bot : CProp := .
32 definition Bot_elim ≝ λP:CProp.λx:Bot.
33 match x in Bot return λx.P with [].
35 definition Not := λA:CProp.Imply A Bot.
37 definition Not_intro : ∀A.(A → Bot) → Not A ≝ λA.
40 definition Not_elim : ∀A.Not A → A → Bot ≝ λA.
43 definition Discharge := λA:CProp.λa:A.
46 axiom Raa : ∀A.(Not A → Bot) → A.
50 inductive Exists (A:Type) (P:A→CProp) : CProp ≝
51 Exists_intro: ∀w:A. P w → Exists A P.
53 definition Exists_elim ≝
54 λA:Type.λP:A→CProp.λC:CProp.λc:Exists A P.λH:(Πx.P x → C).
55 match c with [ Exists_intro w p ⇒ H w p ].
57 inductive Forall (A:Type) (P:A→CProp) : CProp ≝
58 Forall_intro: (∀n:A. P n) → Forall A P.
60 definition Forall_elim ≝
61 λA:Type.λP:A→CProp.λn:A.λf:Forall A P.match f with [ Forall_intro g ⇒ g n ].
63 (* Dummy proposition *)
67 notation "hbox(a break ⇒ b)" right associative with precedence 20
68 for @{ 'Imply $a $b }.
69 interpretation "Imply" 'Imply a b = (Imply a b).
70 interpretation "constructive or" 'or x y = (Or x y).
71 interpretation "constructive and" 'and x y = (And x y).
72 notation "⊤" non associative with precedence 90 for @{'Top}.
73 interpretation "Top" 'Top = Top.
74 notation "⊥" non associative with precedence 90 for @{'Bot}.
75 interpretation "Bot" 'Bot = Bot.
76 interpretation "Not" 'not a = (Not a).
77 notation "✶" non associative with precedence 90 for @{'unit}.
78 interpretation "dummy prop" 'unit = unit.
79 notation > "\exists list1 ident x sep , . term 19 Px" with precedence 20
80 for ${ fold right @{$Px} rec acc @{'myexists (λ${ident x}.$acc)} }.
81 notation < "hvbox(\exists ident i break . p)" with precedence 20
82 for @{ 'myexists (\lambda ${ident i} : $ty. $p) }.
83 interpretation "constructive ex" 'myexists \eta.x = (Exists sort x).
84 notation > "\forall ident x.break term 19 Px" with precedence 20
85 for @{ 'Forall (λ${ident x}.$Px) }.
86 notation < "\forall ident x.break term 19 Px" with precedence 20
87 for @{ 'Forall (λ${ident x}:$tx.$Px) }.
88 interpretation "Forall" 'Forall \eta.Px = (Forall _ Px).
106 axiom P : sort →CProp.
107 axiom Q : sort →CProp.
108 axiom R : sort →sort →CProp.
109 axiom S : sort →sort →CProp.
110 axiom f : sort → sort.
111 axiom g : sort → sort.
112 axiom h : sort → sort → sort.
114 (* Every formula user provided annotates its proof:
115 `A` becomes `(show A ?)` *)
116 definition show : ΠA.A→A ≝ λA:CProp.λa:A.a.
118 (* When something does not fit, this daemon is used *)
119 axiom cast: ΠA,B:CProp.B → A.
121 (* begin a proof: draws the root *)
122 notation > "'prove' p" non associative with precedence 19
124 interpretation "prove KO" 'prove p = (cast _ _ (show p _)).
125 interpretation "prove OK" 'prove p = (show p _).
128 notation < "\infrule (t\atop ⋮) a ?" with precedence 19
129 for @{ 'leaf_ok $a $t }.
130 interpretation "leaf OK" 'leaf_ok a t = (show a t).
131 notation < "\infrule (t\atop ⋮) mstyle color #ff0000 (a) ?" with precedence 19
132 for @{ 'leaf_ko $a $t }.
133 interpretation "leaf KO" 'leaf_ko a t = (cast _ _ (show a t)).
136 notation < "[ a ] \sup mstyle color #ff0000 (H)" with precedence 19
137 for @{ 'discharge_ko_1 $a $H }.
138 interpretation "discharge_ko_1" 'discharge_ko_1 a H =
139 (show a (cast _ _ (Discharge _ H))).
140 notation < "[ mstyle color #ff0000 (a) ] \sup mstyle color #ff0000 (H)" with precedence 19
141 for @{ 'discharge_ko_2 $a $H }.
142 interpretation "discharge_ko_2" 'discharge_ko_2 a H =
143 (cast _ _ (show a (cast _ _ (Discharge _ H)))).
145 notation < "[ a ] \sup H" with precedence 19
146 for @{ 'discharge_ok_1 $a $H }.
147 interpretation "discharge_ok_1" 'discharge_ok_1 a H =
148 (show a (Discharge _ H)).
149 notation < "[ mstyle color #ff0000 (a) ] \sup H" with precedence 19
150 for @{ 'discharge_ok_2 $a $H }.
151 interpretation "discharge_ok_2" 'discharge_ok_2 a H =
152 (cast _ _ (show a (Discharge _ H))).
154 notation > "'discharge' [H]" with precedence 19
155 for @{ 'discharge $H }.
156 interpretation "discharge KO" 'discharge H = (cast _ _ (Discharge _ H)).
157 interpretation "discharge OK" 'discharge H = (Discharge _ H).
160 notation < "\infrule hbox(\emsp b \emsp) ab (mstyle color #ff0000 (⇒\sub\i \emsp) ident H) " with precedence 19
161 for @{ 'Imply_intro_ko_1 $ab (λ${ident H}:$p.$b) }.
162 interpretation "Imply_intro_ko_1" 'Imply_intro_ko_1 ab \eta.b =
163 (show ab (cast _ _ (Imply_intro _ _ b))).
165 notation < "\infrule hbox(\emsp b \emsp) mstyle color #ff0000 (ab) (mstyle color #ff0000 (⇒\sub\i \emsp) ident H) " with precedence 19
166 for @{ 'Imply_intro_ko_2 $ab (λ${ident H}:$p.$b) }.
167 interpretation "Imply_intro_ko_2" 'Imply_intro_ko_2 ab \eta.b =
168 (cast _ _ (show ab (cast _ _ (Imply_intro _ _ b)))).
170 notation < "\infrule hbox(\emsp b \emsp) ab (⇒\sub\i \emsp ident H) " with precedence 19
171 for @{ 'Imply_intro_ok_1 $ab (λ${ident H}:$p.$b) }.
172 interpretation "Imply_intro_ok_1" 'Imply_intro_ok_1 ab \eta.b =
173 (show ab (Imply_intro _ _ b)).
175 notation < "\infrule hbox(\emsp b \emsp) mstyle color #ff0000 (ab) (⇒\sub\i \emsp ident H) " with precedence 19
176 for @{ 'Imply_intro_ok_2 $ab (λ${ident H}:$p.$b) }.
177 interpretation "Imply_intro_ok_2" 'Imply_intro_ok_2 ab \eta.b =
178 (cast _ _ (show ab (Imply_intro _ _ b))).
180 notation > "⇒_'i' [ident H] term 90 b" with precedence 19
181 for @{ 'Imply_intro $b (λ${ident H}.show $b ?) }.
182 interpretation "Imply_intro KO" 'Imply_intro b pb =
183 (cast _ (Imply unit b) (Imply_intro _ b pb)).
184 interpretation "Imply_intro OK" 'Imply_intro b pb =
185 (Imply_intro _ b pb).
188 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) b mstyle color #ff0000 (⇒\sub\e) " with precedence 19
189 for @{ 'Imply_elim_ko_1 $ab $a $b }.
190 interpretation "Imply_elim_ko_1" 'Imply_elim_ko_1 ab a b =
191 (show b (cast _ _ (Imply_elim _ _ (cast _ _ ab) (cast _ _ a)))).
193 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) mstyle color #ff0000 (b) mstyle color #ff0000 (⇒\sub\e) " with precedence 19
194 for @{ 'Imply_elim_ko_2 $ab $a $b }.
195 interpretation "Imply_elim_ko_2" 'Imply_elim_ko_2 ab a b =
196 (cast _ _ (show b (cast _ _ (Imply_elim _ _ (cast _ _ ab) (cast _ _ a))))).
198 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) b (⇒\sub\e) " with precedence 19
199 for @{ 'Imply_elim_ok_1 $ab $a $b }.
200 interpretation "Imply_elim_ok_1" 'Imply_elim_ok_1 ab a b =
201 (show b (Imply_elim _ _ ab a)).
203 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) mstyle color #ff0000 (b) (⇒\sub\e) " with precedence 19
204 for @{ 'Imply_elim_ok_2 $ab $a $b }.
205 interpretation "Imply_elim_ok_2" 'Imply_elim_ok_2 ab a b =
206 (cast _ _ (show b (Imply_elim _ _ ab a))).
208 notation > "⇒_'e' term 90 ab term 90 a" with precedence 19
209 for @{ 'Imply_elim (show $ab ?) (show $a ?) }.
210 interpretation "Imply_elim KO" 'Imply_elim ab a =
211 (cast _ _ (Imply_elim _ _ (cast (Imply unit unit) _ ab) (cast unit _ a))).
212 interpretation "Imply_elim OK" 'Imply_elim ab a =
213 (Imply_elim _ _ ab a).
216 notation < "\infrule hbox(\emsp a \emsp\emsp\emsp b \emsp) ab mstyle color #ff0000 (∧\sub\i)" with precedence 19
217 for @{ 'And_intro_ko_1 $a $b $ab }.
218 interpretation "And_intro_ko_1" 'And_intro_ko_1 a b ab =
219 (show ab (cast _ _ (And_intro _ _ a b))).
221 notation < "\infrule hbox(\emsp a \emsp\emsp\emsp b \emsp) mstyle color #ff0000 (ab) mstyle color #ff0000 (∧\sub\i)" with precedence 19
222 for @{ 'And_intro_ko_2 $a $b $ab }.
223 interpretation "And_intro_ko_2" 'And_intro_ko_2 a b ab =
224 (cast _ _ (show ab (cast _ _ (And_intro _ _ a b)))).
226 notation < "\infrule hbox(\emsp a \emsp\emsp\emsp b \emsp) ab (∧\sub\i)" with precedence 19
227 for @{ 'And_intro_ok_1 $a $b $ab }.
228 interpretation "And_intro_ok_1" 'And_intro_ok_1 a b ab =
229 (show ab (And_intro _ _ a b)).
231 notation < "\infrule hbox(\emsp a \emsp\emsp\emsp b \emsp) mstyle color #ff0000 (ab) (∧\sub\i)" with precedence 19
232 for @{ 'And_intro_ok_2 $a $b $ab }.
233 interpretation "And_intro_ok_2" 'And_intro_ok_2 a b ab =
234 (cast _ _ (show ab (And_intro _ _ a b))).
236 notation > "∧_'i' term 90 a term 90 b" with precedence 19
237 for @{ 'And_intro (show $a ?) (show $b ?) }.
238 interpretation "And_intro KO" 'And_intro a b = (cast _ _ (And_intro _ _ a b)).
239 interpretation "And_intro OK" 'And_intro a b = (And_intro _ _ a b).
242 notation < "\infrule hbox(\emsp ab \emsp) a mstyle color #ff0000 (∧\sub(\e_\l))" with precedence 19
243 for @{ 'And_elim_l_ko_1 $ab $a }.
244 interpretation "And_elim_l_ko_1" 'And_elim_l_ko_1 ab a =
245 (show a (cast _ _ (And_elim_l _ _ (cast _ _ ab)))).
247 notation < "\infrule hbox(\emsp ab \emsp) mstyle color #ff0000 (a) mstyle color #ff0000 (∧\sub(\e_\l))" with precedence 19
248 for @{ 'And_elim_l_ko_2 $ab $a }.
249 interpretation "And_elim_l_ko_2" 'And_elim_l_ko_2 ab a =
250 (cast _ _ (show a (cast _ _ (And_elim_l _ _ (cast _ _ ab))))).
252 notation < "\infrule hbox(\emsp ab \emsp) a (∧\sub(\e_\l))" with precedence 19
253 for @{ 'And_elim_l_ok_1 $ab $a }.
254 interpretation "And_elim_l_ok_1" 'And_elim_l_ok_1 ab a =
255 (show a (And_elim_l _ _ ab)).
257 notation < "\infrule hbox(\emsp ab \emsp) mstyle color #ff0000 (a) (∧\sub(\e_\l))" with precedence 19
258 for @{ 'And_elim_l_ok_2 $ab $a }.
259 interpretation "And_elim_l_ok_2" 'And_elim_l_ok_2 ab a =
260 (cast _ _ (show a (And_elim_l _ _ ab))).
262 notation > "∧_'e_l' term 90 ab" with precedence 19
263 for @{ 'And_elim_l (show $ab ?) }.
264 interpretation "And_elim_l KO" 'And_elim_l a = (cast _ _ (And_elim_l _ _ (cast (And unit unit) _ a))).
265 interpretation "And_elim_l OK" 'And_elim_l a = (And_elim_l _ _ a).
267 notation < "\infrule hbox(\emsp ab \emsp) a mstyle color #ff0000 (∧\sub(\e_\r))" with precedence 19
268 for @{ 'And_elim_r_ko_1 $ab $a }.
269 interpretation "And_elim_r_ko_1" 'And_elim_r_ko_1 ab a =
270 (show a (cast _ _ (And_elim_r _ _ (cast _ _ ab)))).
272 notation < "\infrule hbox(\emsp ab \emsp) mstyle color #ff0000 (a) mstyle color #ff0000 (∧\sub(\e_\r))" with precedence 19
273 for @{ 'And_elim_r_ko_2 $ab $a }.
274 interpretation "And_elim_r_ko_2" 'And_elim_r_ko_2 ab a =
275 (cast _ _ (show a (cast _ _ (And_elim_r _ _ (cast _ _ ab))))).
277 notation < "\infrule hbox(\emsp ab \emsp) a (∧\sub(\e_\r))" with precedence 19
278 for @{ 'And_elim_r_ok_1 $ab $a }.
279 interpretation "And_elim_r_ok_1" 'And_elim_r_ok_1 ab a =
280 (show a (And_elim_r _ _ ab)).
282 notation < "\infrule hbox(\emsp ab \emsp) mstyle color #ff0000 (a) (∧\sub(\e_\r))" with precedence 19
283 for @{ 'And_elim_r_ok_2 $ab $a }.
284 interpretation "And_elim_r_ok_2" 'And_elim_r_ok_2 ab a =
285 (cast _ _ (show a (And_elim_r _ _ ab))).
287 notation > "∧_'e_r' term 90 ab" with precedence 19
288 for @{ 'And_elim_r (show $ab ?) }.
289 interpretation "And_elim_r KO" 'And_elim_r a = (cast _ _ (And_elim_r _ _ (cast (And unit unit) _ a))).
290 interpretation "And_elim_r OK" 'And_elim_r a = (And_elim_r _ _ a).
293 notation < "\infrule hbox(\emsp a \emsp) ab mstyle color #ff0000 (∨\sub(\i_\l))" with precedence 19
294 for @{ 'Or_intro_l_ko_1 $a $ab }.
295 interpretation "Or_intro_l_ko_1" 'Or_intro_l_ko_1 a ab =
296 (show ab (cast _ _ (Or_intro_l _ _ a))).
298 notation < "\infrule hbox(\emsp a \emsp) mstyle color #ff0000 (ab) mstyle color #ff0000 (∨\sub(\i_\l))" with precedence 19
299 for @{ 'Or_intro_l_ko_2 $a $ab }.
300 interpretation "Or_intro_l_ko_2" 'Or_intro_l_ko_2 a ab =
301 (cast _ _ (show ab (cast _ _ (Or_intro_l _ _ a)))).
303 notation < "\infrule hbox(\emsp a \emsp) ab (∨\sub(\i_\l))" with precedence 19
304 for @{ 'Or_intro_l_ok_1 $a $ab }.
305 interpretation "Or_intro_l_ok_1" 'Or_intro_l_ok_1 a ab =
306 (show ab (Or_intro_l _ _ a)).
308 notation < "\infrule hbox(\emsp a \emsp) mstyle color #ff0000 (ab) (∨\sub(\i_\l))" with precedence 19
309 for @{ 'Or_intro_l_ok_2 $a $ab }.
310 interpretation "Or_intro_l_ok_2" 'Or_intro_l_ok_2 a ab =
311 (cast _ _ (show ab (Or_intro_l _ _ a))).
313 notation > "∨_'i_l' term 90 a" with precedence 19
314 for @{ 'Or_intro_l (show $a ?) }.
315 interpretation "Or_intro_l KO" 'Or_intro_l a = (cast _ (Or _ unit) (Or_intro_l _ _ a)).
316 interpretation "Or_intro_l OK" 'Or_intro_l a = (Or_intro_l _ _ a).
318 notation < "\infrule hbox(\emsp a \emsp) ab mstyle color #ff0000 (∨\sub(\i_\r))" with precedence 19
319 for @{ 'Or_intro_r_ko_1 $a $ab }.
320 interpretation "Or_intro_r_ko_1" 'Or_intro_r_ko_1 a ab =
321 (show ab (cast _ _ (Or_intro_r _ _ a))).
323 notation < "\infrule hbox(\emsp a \emsp) mstyle color #ff0000 (ab) mstyle color #ff0000 (∨\sub(\i_\r))" with precedence 19
324 for @{ 'Or_intro_r_ko_2 $a $ab }.
325 interpretation "Or_intro_r_ko_2" 'Or_intro_r_ko_2 a ab =
326 (cast _ _ (show ab (cast _ _ (Or_intro_r _ _ a)))).
328 notation < "\infrule hbox(\emsp a \emsp) ab (∨\sub(\i_\r))" with precedence 19
329 for @{ 'Or_intro_r_ok_1 $a $ab }.
330 interpretation "Or_intro_r_ok_1" 'Or_intro_r_ok_1 a ab =
331 (show ab (Or_intro_r _ _ a)).
333 notation < "\infrule hbox(\emsp a \emsp) mstyle color #ff0000 (ab) (∨\sub(\i_\r))" with precedence 19
334 for @{ 'Or_intro_r_ok_2 $a $ab }.
335 interpretation "Or_intro_r_ok_2" 'Or_intro_r_ok_2 a ab =
336 (cast _ _ (show ab (Or_intro_r _ _ a))).
338 notation > "∨_'i_r' term 90 a" with precedence 19
339 for @{ 'Or_intro_r (show $a ?) }.
340 interpretation "Or_intro_r KO" 'Or_intro_r a = (cast _ (Or unit _) (Or_intro_r _ _ a)).
341 interpretation "Or_intro_r OK" 'Or_intro_r a = (Or_intro_r _ _ a).
344 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp ac \emsp\emsp\emsp bc \emsp) c (mstyle color #ff0000 (∨\sub\e \emsp) ident Ha \emsp ident Hb)" with precedence 19
345 for @{ 'Or_elim_ko_1 $ab $c (λ${ident Ha}:$ta.$ac) (λ${ident Hb}:$tb.$bc) }.
346 interpretation "Or_elim_ko_1" 'Or_elim_ko_1 ab c \eta.ac \eta.bc =
347 (show c (cast _ _ (Or_elim _ _ _ (cast _ _ ab) (cast _ _ ac) (cast _ _ bc)))).
349 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp ac \emsp\emsp\emsp bc \emsp) mstyle color #ff0000 (c) (mstyle color #ff0000 (∨\sub\e) \emsp ident Ha \emsp ident Hb)" with precedence 19
350 for @{ 'Or_elim_ko_2 $ab (λ${ident Ha}:$ta.$ac) (λ${ident Hb}:$tb.$bc) $c }.
351 interpretation "Or_elim_ko_2" 'Or_elim_ko_2 ab \eta.ac \eta.bc c =
352 (cast _ _ (show c (cast _ _ (Or_elim _ _ _ (cast _ _ ab) (cast _ _ ac) (cast _ _ bc))))).
354 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp ac \emsp\emsp\emsp bc \emsp) c (∨\sub\e \emsp ident Ha \emsp ident Hb)" with precedence 19
355 for @{ 'Or_elim_ok_1 $ab (λ${ident Ha}:$ta.$ac) (λ${ident Hb}:$tb.$bc) $c }.
356 interpretation "Or_elim_ok_1" 'Or_elim_ok_1 ab \eta.ac \eta.bc c =
357 (show c (Or_elim _ _ _ ab ac bc)).
359 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp ac \emsp\emsp\emsp bc \emsp) mstyle color #ff0000 (c) (∨\sub\e \emsp ident Ha \emsp ident Hb)" with precedence 19
360 for @{ 'Or_elim_ok_2 $ab (λ${ident Ha}:$ta.$ac) (λ${ident Hb}:$tb.$bc) $c }.
361 interpretation "Or_elim_ok_2" 'Or_elim_ok_2 ab \eta.ac \eta.bc c =
362 (cast _ _ (show c (Or_elim _ _ _ ab ac bc))).
364 definition unit_to ≝ λx:CProp.unit → x.
366 notation > "∨_'e' term 90 ab [ident Ha] term 90 cl [ident Hb] term 90 cr" with precedence 19
367 for @{ 'Or_elim (show $ab ?) (λ${ident Ha}.show $cl ?) (λ${ident Hb}.show $cr ?) }.
368 interpretation "Or_elim KO" 'Or_elim ab ac bc =
369 (cast _ _ (Or_elim _ _ _
370 (cast (Or unit unit) _ ab)
371 (cast (unit_to unit) (unit_to _) ac)
372 (cast (unit_to unit) (unit_to _) bc))).
373 interpretation "Or_elim OK" 'Or_elim ab ac bc = (Or_elim _ _ _ ab ac bc).
376 notation < "\infrule \nbsp ⊤ mstyle color #ff0000 (⊤\sub\i)" with precedence 19
377 for @{'Top_intro_ko_1}.
378 interpretation "Top_intro_ko_1" 'Top_intro_ko_1 =
379 (show _ (cast _ _ Top_intro)).
381 notation < "\infrule \nbsp mstyle color #ff0000 (⊤) mstyle color #ff0000 (⊤\sub\i)" with precedence 19
382 for @{'Top_intro_ko_2}.
383 interpretation "Top_intro_ko_2" 'Top_intro_ko_2 =
384 (cast _ _ (show _ (cast _ _ Top_intro))).
386 notation < "\infrule \nbsp ⊤ (⊤\sub\i)" with precedence 19
387 for @{'Top_intro_ok_1}.
388 interpretation "Top_intro_ok_1" 'Top_intro_ok_1 = (show _ Top_intro).
390 notation < "\infrule \nbsp ⊤ (⊤\sub\i)" with precedence 19
391 for @{'Top_intro_ok_2 }.
392 interpretation "Top_intro_ok_2" 'Top_intro_ok_2 = (cast _ _ (show _ Top_intro)).
394 notation > "⊤_'i'" with precedence 19 for @{ 'Top_intro }.
395 interpretation "Top_intro KO" 'Top_intro = (cast _ _ Top_intro).
396 interpretation "Top_intro OK" 'Top_intro = Top_intro.
399 notation < "\infrule b a mstyle color #ff0000 (⊥\sub\e)" with precedence 19
400 for @{'Bot_elim_ko_1 $a $b}.
401 interpretation "Bot_elim_ko_1" 'Bot_elim_ko_1 a b =
402 (show a (Bot_elim _ (cast _ _ b))).
404 notation < "\infrule b mstyle color #ff0000 (a) mstyle color #ff0000 (⊥\sub\e)" with precedence 19
405 for @{'Bot_elim_ko_2 $a $b}.
406 interpretation "Bot_elim_ko_2" 'Bot_elim_ko_2 a b =
407 (cast _ _ (show a (Bot_elim _ (cast _ _ b)))).
409 notation < "\infrule b a (⊥\sub\e)" with precedence 19
410 for @{'Bot_elim_ok_1 $a $b}.
411 interpretation "Bot_elim_ok_1" 'Bot_elim_ok_1 a b =
412 (show a (Bot_elim _ b)).
414 notation < "\infrule b mstyle color #ff0000 (a) (⊥\sub\e)" with precedence 19
415 for @{'Bot_elim_ok_2 $a $b}.
416 interpretation "Bot_elim_ok_2" 'Bot_elim_ok_2 a b =
417 (cast _ _ (show a (Bot_elim _ b))).
419 notation > "⊥_'e' term 90 b" with precedence 19
420 for @{ 'Bot_elim (show $b ?) }.
421 interpretation "Bot_elim KO" 'Bot_elim a = (Bot_elim _ (cast _ _ a)).
422 interpretation "Bot_elim OK" 'Bot_elim a = (Bot_elim _ a).
425 notation < "\infrule hbox(\emsp b \emsp) ab (mstyle color #ff0000 (\lnot\sub(\emsp\i)) \emsp ident H)" with precedence 19
426 for @{ 'Not_intro_ko_1 $ab (λ${ident H}:$p.$b) }.
427 interpretation "Not_intro_ko_1" 'Not_intro_ko_1 ab \eta.b =
428 (show ab (cast _ _ (Not_intro _ (cast _ _ b)))).
430 notation < "\infrule hbox(\emsp b \emsp) mstyle color #ff0000 (ab) (mstyle color #ff0000 (\lnot\sub(\emsp\i)) \emsp ident H)" with precedence 19
431 for @{ 'Not_intro_ko_2 $ab (λ${ident H}:$p.$b) }.
432 interpretation "Not_intro_ko_2" 'Not_intro_ko_2 ab \eta.b =
433 (cast _ _ (show ab (cast _ _ (Not_intro _ (cast _ _ b))))).
435 notation < "\infrule hbox(\emsp b \emsp) ab (\lnot\sub(\emsp\i) \emsp ident H) " with precedence 19
436 for @{ 'Not_intro_ok_1 $ab (λ${ident H}:$p.$b) }.
437 interpretation "Not_intro_ok_1" 'Not_intro_ok_1 ab \eta.b =
438 (show ab (Not_intro _ b)).
440 notation < "\infrule hbox(\emsp b \emsp) mstyle color #ff0000 (ab) (\lnot\sub(\emsp\i) \emsp ident H) " with precedence 19
441 for @{ 'Not_intro_ok_2 $ab (λ${ident H}:$p.$b) }.
442 interpretation "Not_intro_ok_2" 'Not_intro_ok_2 ab \eta.b =
443 (cast _ _ (show ab (Not_intro _ b))).
445 notation > "¬_'i' [ident H] term 90 b" with precedence 19
446 for @{ 'Not_intro (λ${ident H}.show $b ?) }.
447 interpretation "Not_intro KO" 'Not_intro a = (cast _ _ (Not_intro _ (cast _ _ a))).
448 interpretation "Not_intro OK" 'Not_intro a = (Not_intro _ a).
451 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) b mstyle color #ff0000 (\lnot\sub(\emsp\e)) " with precedence 19
452 for @{ 'Not_elim_ko_1 $ab $a $b }.
453 interpretation "Not_elim_ko_1" 'Not_elim_ko_1 ab a b =
454 (show b (cast _ _ (Not_elim _ (cast _ _ ab) (cast _ _ a)))).
456 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) mstyle color #ff0000 (b) mstyle color #ff0000 (\lnot\sub(\emsp\e)) " with precedence 19
457 for @{ 'Not_elim_ko_2 $ab $a $b }.
458 interpretation "Not_elim_ko_2" 'Not_elim_ko_2 ab a b =
459 (cast _ _ (show b (cast _ _ (Not_elim _ (cast _ _ ab) (cast _ _ a))))).
461 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) b (\lnot\sub(\emsp\e)) " with precedence 19
462 for @{ 'Not_elim_ok_1 $ab $a $b }.
463 interpretation "Not_elim_ok_1" 'Not_elim_ok_1 ab a b =
464 (show b (Not_elim _ ab a)).
466 notation < "\infrule hbox(\emsp ab \emsp\emsp\emsp a\emsp) mstyle color #ff0000 (b) (\lnot\sub(\emsp\e)) " with precedence 19
467 for @{ 'Not_elim_ok_2 $ab $a $b }.
468 interpretation "Not_elim_ok_2" 'Not_elim_ok_2 ab a b =
469 (cast _ _ (show b (Not_elim _ ab a))).
471 notation > "¬_'e' term 90 ab term 90 a" with precedence 19
472 for @{ 'Not_elim (show $ab ?) (show $a ?) }.
473 interpretation "Not_elim KO" 'Not_elim ab a =
474 (cast _ _ (Not_elim unit (cast _ _ ab) (cast _ _ a))).
475 interpretation "Not_elim OK" 'Not_elim ab a =
479 notation < "\infrule hbox(\emsp Px \emsp) Pn (mstyle color #ff0000 (\RAA) \emsp ident x)" with precedence 19
480 for @{ 'RAA_ko_1 (λ${ident x}:$tx.$Px) $Pn }.
481 interpretation "RAA_ko_1" 'RAA_ko_1 Px Pn =
482 (show Pn (cast _ _ (Raa _ (cast _ _ Px)))).
484 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000 (Pn) (mstyle color #ff0000 (\RAA) \emsp ident x)" with precedence 19
485 for @{ 'RAA_ko_2 (λ${ident x}:$tx.$Px) $Pn }.
486 interpretation "RAA_ko_2" 'RAA_ko_2 Px Pn =
487 (cast _ _ (show Pn (cast _ _ (Raa _ (cast _ _ Px))))).
489 notation < "\infrule hbox(\emsp Px \emsp) Pn (\RAA \emsp ident x)" with precedence 19
490 for @{ 'RAA_ok_1 (λ${ident x}:$tx.$Px) $Pn }.
491 interpretation "RAA_ok_1" 'RAA_ok_1 Px Pn =
492 (show Pn (Raa _ Px)).
494 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000 (Pn) (\RAA \emsp ident x)" with precedence 19
495 for @{ 'RAA_ok_2 (λ${ident x}:$tx.$Px) $Pn }.
496 interpretation "RAA_ok_2" 'RAA_ok_2 Px Pn =
497 (cast _ _ (show Pn (Raa _ Px))).
499 notation > "'RAA' [ident H] term 90 b" with precedence 19
500 for @{ 'Raa (λ${ident H}.show $b ?) }.
501 interpretation "RAA KO" 'Raa p = (cast _ unit (Raa _ (cast _ (unit_to _) p))).
502 interpretation "RAA OK" 'Raa p = (Raa _ p).
505 notation < "\infrule hbox(\emsp Pn \emsp) Px mstyle color #ff0000 (∃\sub\i)" with precedence 19
506 for @{ 'Exists_intro_ko_1 $Pn $Px }.
507 interpretation "Exists_intro_ko_1" 'Exists_intro_ko_1 Pn Px =
508 (show Px (cast _ _ (Exists_intro _ _ _ (cast _ _ Pn)))).
510 notation < "\infrule hbox(\emsp Pn \emsp) mstyle color #ff0000 (Px) mstyle color #ff0000 (∃\sub\i)" with precedence 19
511 for @{ 'Exists_intro_ko_2 $Pn $Px }.
512 interpretation "Exists_intro_ko_2" 'Exists_intro_ko_2 Pn Px =
513 (cast _ _ (show Px (cast _ _ (Exists_intro _ _ _ (cast _ _ Pn))))).
515 notation < "\infrule hbox(\emsp Pn \emsp) Px (∃\sub\i)" with precedence 19
516 for @{ 'Exists_intro_ok_1 $Pn $Px }.
517 interpretation "Exists_intro_ok_1" 'Exists_intro_ok_1 Pn Px =
518 (show Px (Exists_intro _ _ _ Pn)).
520 notation < "\infrule hbox(\emsp Pn \emsp) mstyle color #ff0000 (Px) (∃\sub\i)" with precedence 19
521 for @{ 'Exists_intro_ok_2 $Pn $Px }.
522 interpretation "Exists_intro_ok_2" 'Exists_intro_ok_2 Pn Px =
523 (cast _ _ (show Px (Exists_intro _ _ _ Pn))).
525 notation >"∃_'i' {term 90 t} term 90 Pt" non associative with precedence 19
526 for @{'Exists_intro $t (λ_.?) (show $Pt ?)}.
527 interpretation "Exists_intro KO" 'Exists_intro t P Pt =
528 (cast _ _ (Exists_intro sort P t (cast _ _ Pt))).
529 interpretation "Exists_intro OK" 'Exists_intro t P Pt =
530 (Exists_intro sort P t Pt).
533 notation < "\infrule hbox(\emsp ExPx \emsp\emsp\emsp Pc \emsp) c (mstyle color #ff0000 (∃\sub\e) \emsp ident n \emsp ident HPn)" with precedence 19
534 for @{ 'Exists_elim_ko_1 $ExPx (λ${ident n}:$tn.λ${ident HPn}:$Pn.$Pc) $c }.
535 interpretation "Exists_elim_ko_1" 'Exists_elim_ko_1 ExPx Pc c =
536 (show c (cast _ _ (Exists_elim _ _ _ (cast _ _ ExPx) (cast _ _ Pc)))).
538 notation < "\infrule hbox(\emsp ExPx \emsp\emsp\emsp Pc \emsp) mstyle color #ff0000 (c) (mstyle color #ff0000 (∃\sub\e) \emsp ident n \emsp ident HPn)" with precedence 19
539 for @{ 'Exists_elim_ko_2 $ExPx (λ${ident n}:$tn.λ${ident HPn}:$Pn.$Pc) $c }.
540 interpretation "Exists_elim_ko_2" 'Exists_elim_ko_2 ExPx Pc c =
541 (cast _ _ (show c (cast _ _ (Exists_elim _ _ _ (cast _ _ ExPx) (cast _ _ Pc))))).
543 notation < "\infrule hbox(\emsp ExPx \emsp\emsp\emsp Pc \emsp) c (∃\sub\e \emsp ident n \emsp ident HPn)" with precedence 19
544 for @{ 'Exists_elim_ok_1 $ExPx (λ${ident n}:$tn.λ${ident HPn}:$Pn.$Pc) $c }.
545 interpretation "Exists_elim_ok_1" 'Exists_elim_ok_1 ExPx Pc c =
546 (show c (Exists_elim _ _ _ ExPx Pc)).
548 notation < "\infrule hbox(\emsp ExPx \emsp\emsp\emsp Pc \emsp) mstyle color #ff0000 (c) (∃\sub\e \emsp ident n \emsp ident HPn)" with precedence 19
549 for @{ 'Exists_elim_ok_2 $ExPx (λ${ident n}:$tn.λ${ident HPn}:$Pn.$Pc) $c }.
550 interpretation "Exists_elim_ok_2" 'Exists_elim_ok_2 ExPx Pc c =
551 (cast _ _ (show c (Exists_elim _ _ _ ExPx Pc))).
553 definition ex_concl := λx:CProp.sort → unit → x.
554 definition fake_pred := λx:sort.unit.
556 notation >"∃_'e' term 90 ExPt {ident t} [ident H] term 90 c" non associative with precedence 19
557 for @{'Exists_elim (λ_.?) (show $ExPt ?) (λ${ident t}:sort.λ${ident H}.show $c ?)}.
558 interpretation "Exists_elim KO" 'Exists_elim P ExPt c =
559 (cast _ _ (Exists_elim sort P _
560 (cast (Exists _ P) _ ExPt) (cast (ex_concl unit) (ex_concl _) c))).
561 interpretation "Exists_elim OK" 'Exists_elim P ExPt c =
562 (Exists_elim sort P _ ExPt c).
566 notation < "\infrule hbox(\emsp Px \emsp) Pn (mstyle color #ff0000 (∀\sub\i) \emsp ident x)" with precedence 19
567 for @{ 'Forall_intro_ko_1 (λ${ident x}:$tx.$Px) $Pn }.
568 interpretation "Forall_intro_ko_1" 'Forall_intro_ko_1 Px Pn =
569 (show Pn (cast _ _ (Forall_intro _ _ (cast _ _ Px)))).
571 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000(Pn) (mstyle color #ff0000 (∀\sub\i) \emsp ident x)" with precedence 19
572 for @{ 'Forall_intro_ko_2 (λ${ident x}:$tx.$Px) $Pn }.
573 interpretation "Forall_intro_ko_2" 'Forall_intro_ko_2 Px Pn =
574 (cast _ _ (show Pn (cast _ _ (Forall_intro _ _ (cast _ _ Px))))).
576 notation < "\infrule hbox(\emsp Px \emsp) Pn (∀\sub\i \emsp ident x)" with precedence 19
577 for @{ 'Forall_intro_ok_1 (λ${ident x}:$tx.$Px) $Pn }.
578 interpretation "Forall_intro_ok_1" 'Forall_intro_ok_1 Px Pn =
579 (show Pn (Forall_intro _ _ Px)).
581 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000 (Pn) (∀\sub\i \emsp ident x)" with precedence 19
582 for @{ 'Forall_intro_ok_2 (λ${ident x}:$tx.$Px) $Pn }.
583 interpretation "Forall_intro_ok_2" 'Forall_intro_ok_2 Px Pn =
584 (cast _ _ (show Pn (Forall_intro _ _ Px))).
586 notation > "∀_'i' {ident y} term 90 Px" non associative with precedence 19
587 for @{ 'Forall_intro (λ_.?) (λ${ident y}.show $Px ?) }.
588 interpretation "Forall_intro KO" 'Forall_intro P Px =
589 (cast _ _ (Forall_intro sort P (cast _ _ Px))).
590 interpretation "Forall_intro OK" 'Forall_intro P Px =
591 (Forall_intro sort P Px).
594 notation < "\infrule hbox(\emsp Px \emsp) Pn (mstyle color #ff0000 (∀\sub\e))" with precedence 19
595 for @{ 'Forall_elim_ko_1 $Px $Pn }.
596 interpretation "Forall_elim_ko_1" 'Forall_elim_ko_1 Px Pn =
597 (show Pn (cast _ _ (Forall_elim _ _ _ (cast _ _ Px)))).
599 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000(Pn) (mstyle color #ff0000 (∀\sub\e))" with precedence 19
600 for @{ 'Forall_elim_ko_2 $Px $Pn }.
601 interpretation "Forall_elim_ko_2" 'Forall_elim_ko_2 Px Pn =
602 (cast _ _ (show Pn (cast _ _ (Forall_elim _ _ _ (cast _ _ Px))))).
604 notation < "\infrule hbox(\emsp Px \emsp) Pn (∀\sub\e)" with precedence 19
605 for @{ 'Forall_elim_ok_1 $Px $Pn }.
606 interpretation "Forall_elim_ok_1" 'Forall_elim_ok_1 Px Pn =
607 (show Pn (Forall_elim _ _ _ Px)).
609 notation < "\infrule hbox(\emsp Px \emsp) mstyle color #ff0000 (Pn) (∀\sub\e)" with precedence 19
610 for @{ 'Forall_elim_ok_2 $Px $Pn }.
611 interpretation "Forall_elim_ok_2" 'Forall_elim_ok_2 Px Pn =
612 (cast _ _ (show Pn (Forall_elim _ _ _ Px))).
614 notation > "∀_'e' {term 90 t} term 90 Pn" non associative with precedence 19
615 for @{ 'Forall_elim (λ_.?) $t (show $Pn ?) }.
616 interpretation "Forall_elim KO" 'Forall_elim P t Px =
617 (cast _ unit (Forall_elim sort P t (cast _ _ Px))).
618 interpretation "Forall_elim OK" 'Forall_elim P t Px =
619 (Forall_elim sort P t Px).
621 (* already proved lemma *)
622 definition hide_args : ∀A:Type.∀a:A.A := λA:Type.λa:A.a.
623 notation < "t" non associative with precedence 90 for @{'hide_args $t}.
624 interpretation "hide 0 args" 'hide_args t = (hide_args _ t).
625 interpretation "hide 1 args" 'hide_args t = (hide_args _ t _).
626 interpretation "hide 2 args" 'hide_args t = (hide_args _ t _ _).
627 interpretation "hide 3 args" 'hide_args t = (hide_args _ t _ _ _).
628 interpretation "hide 4 args" 'hide_args t = (hide_args _ t _ _ _ _).
629 interpretation "hide 5 args" 'hide_args t = (hide_args _ t _ _ _ _ _).
630 interpretation "hide 6 args" 'hide_args t = (hide_args _ t _ _ _ _ _ _).
631 interpretation "hide 7 args" 'hide_args t = (hide_args _ t _ _ _ _ _ _ _).
633 (* more args crashes the pattern matcher *)
635 (* already proved lemma, 0 assumptions *)
636 definition Lemma : ΠA.A→A ≝ λA:CProp.λa:A.a.
641 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
643 non associative with precedence 19
644 for @{ 'lemma_ko_1 $p ($H : $_) }.
645 interpretation "lemma_ko_1" 'lemma_ko_1 p H =
646 (show p (cast _ _ (Lemma _ (cast _ _ H)))).
651 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
652 mstyle color #ff0000 (p) \nbsp"
653 non associative with precedence 19
654 for @{ 'lemma_ko_2 $p ($H : $_) }.
655 interpretation "lemma_ko_2" 'lemma_ko_2 p H =
656 (cast _ _ (show p (cast _ _
657 (Lemma _ (cast _ _ H))))).
663 (╲ mstyle mathsize normal (H) ╱) \nbsp)
665 non associative with precedence 19
666 for @{ 'lemma_ok_1 $p ($H : $_) }.
667 interpretation "lemma_ok_1" 'lemma_ok_1 p H =
668 (show p (Lemma _ H)).
673 (╲ mstyle mathsize normal (H) ╱) \nbsp)
674 mstyle color #ff0000 (p) \nbsp"
675 non associative with precedence 19
676 for @{ 'lemma_ok_2 $p ($H : $_) }.
677 interpretation "lemma_ok_2" 'lemma_ok_2 p H =
678 (cast _ _ (show p (Lemma _ H))).
680 notation > "'lem' 0 term 90 l" non associative with precedence 19
681 for @{ 'Lemma (hide_args ? $l : ?) }.
682 interpretation "lemma KO" 'Lemma l =
683 (cast _ _ (Lemma unit (cast unit _ l))).
684 interpretation "lemma OK" 'Lemma l = (Lemma _ l).
687 (* already proved lemma, 1 assumption *)
688 definition Lemma1 : ΠA,B. (A ⇒ B) → A → B ≝
689 λA,B:CProp.λf:A⇒B.λa:A.
695 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
697 non associative with precedence 19
698 for @{ 'lemma1_ko_1 $a $p ($H : $_) }.
699 interpretation "lemma1_ko_1" 'lemma1_ko_1 a p H =
700 (show p (cast _ _ (Lemma1 _ _ (cast _ _ H) (cast _ _ a)))).
705 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
706 mstyle color #ff0000 (p) \nbsp"
707 non associative with precedence 19
708 for @{ 'lemma1_ko_2 $a $p ($H : $_) }.
709 interpretation "lemma1_ko_2" 'lemma1_ko_2 a p H =
710 (cast _ _ (show p (cast _ _
711 (Lemma1 _ _ (cast _ _ H) (cast _ _ a))))).
717 (╲ mstyle mathsize normal (H) ╱) \nbsp)
719 non associative with precedence 19
720 for @{ 'lemma1_ok_1 $a $p ($H : $_) }.
721 interpretation "lemma1_ok_1" 'lemma1_ok_1 a p H =
722 (show p (Lemma1 _ _ H a)).
727 (╲ mstyle mathsize normal (H) ╱) \nbsp)
728 mstyle color #ff0000 (p) \nbsp"
729 non associative with precedence 19
730 for @{ 'lemma1_ok_2 $a $p ($H : $_) }.
731 interpretation "lemma1_ok_2" 'lemma1_ok_2 a p H =
732 (cast _ _ (show p (Lemma1 _ _ H a))).
735 notation > "'lem' 1 term 90 l term 90 p" non associative with precedence 19
736 for @{ 'Lemma1 (hide_args ? $l : ?) (show $p ?) }.
737 interpretation "lemma 1 KO" 'Lemma1 l p =
738 (cast _ _ (Lemma1 unit unit (cast (Imply unit unit) _ l) (cast unit _ p))).
739 interpretation "lemma 1 OK" 'Lemma1 l p = (Lemma1 _ _ l p).
741 (* already proved lemma, 2 assumptions *)
742 definition Lemma2 : ΠA,B,C. (A ⇒ B ⇒ C) → A → B → C ≝
743 λA,B,C:CProp.λf:A⇒B⇒C.λa:A.λb:B.
744 Imply_elim B C (Imply_elim A (B⇒C) f a) b.
748 (\emsp a \emsp\emsp\emsp b \emsp)
749 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
751 non associative with precedence 19
752 for @{ 'lemma2_ko_1 $a $b $p ($H : $_) }.
753 interpretation "lemma2_ko_1" 'lemma2_ko_1 a b p H =
754 (show p (cast _ _ (Lemma2 _ _ _ (cast _ _ H) (cast _ _ a) (cast _ _ b)))).
758 (\emsp a \emsp\emsp\emsp b \emsp)
759 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
760 mstyle color #ff0000 (p) \nbsp"
761 non associative with precedence 19
762 for @{ 'lemma2_ko_2 $a $b $p ($H : $_) }.
763 interpretation "lemma2_ko_2" 'lemma2_ko_2 a b p H =
764 (cast _ _ (show p (cast _ _
765 (Lemma2 _ _ _ (cast _ _ H) (cast _ _ a) (cast _ _ b))))).
770 (\emsp a \emsp\emsp\emsp b \emsp)
771 (╲ mstyle mathsize normal (H) ╱) \nbsp)
773 non associative with precedence 19
774 for @{ 'lemma2_ok_1 $a $b $p ($H : $_) }.
775 interpretation "lemma2_ok_1" 'lemma2_ok_1 a b p H =
776 (show p (Lemma2 _ _ _ H a b)).
780 (\emsp a \emsp\emsp\emsp b \emsp)
781 (╲ mstyle mathsize normal (H) ╱) \nbsp)
782 mstyle color #ff0000 (p) \nbsp"
783 non associative with precedence 19
784 for @{ 'lemma2_ok_2 $a $b $p ($H : $_) }.
785 interpretation "lemma2_ok_2" 'lemma2_ok_2 a b p H =
786 (cast _ _ (show p (Lemma2 _ _ _ H a b))).
788 notation > "'lem' 2 term 90 l term 90 p term 90 q" non associative with precedence 19
789 for @{ 'Lemma2 (hide_args ? $l : ?) (show $p ?) (show $q ?) }.
790 interpretation "lemma 2 KO" 'Lemma2 l p q =
791 (cast _ _ (Lemma2 unit unit unit (cast (Imply unit (Imply unit unit)) _ l) (cast unit _ p) (cast unit _ q))).
792 interpretation "lemma 2 OK" 'Lemma2 l p q = (Lemma2 _ _ _ l p q).
794 (* already proved lemma, 3 assumptions *)
795 definition Lemma3 : ΠA,B,C,D. (A ⇒ B ⇒ C ⇒ D) → A → B → C → D ≝
796 λA,B,C,D:CProp.λf:A⇒B⇒C⇒D.λa:A.λb:B.λc:C.
797 Imply_elim C D (Imply_elim B (C⇒D) (Imply_elim A (B⇒C⇒D) f a) b) c.
801 (\emsp a \emsp\emsp\emsp b \emsp\emsp\emsp c \emsp)
802 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
804 non associative with precedence 19
805 for @{ 'lemma3_ko_1 $a $b $c $p ($H : $_) }.
806 interpretation "lemma3_ko_1" 'lemma3_ko_1 a b c p H =
808 (Lemma3 _ _ _ _ (cast _ _ H) (cast _ _ a) (cast _ _ b) (cast _ _ c)))).
812 (\emsp a \emsp\emsp\emsp b \emsp\emsp\emsp c \emsp)
813 (╲ mstyle mathsize normal (mstyle color #ff0000 (H)) ╱) \nbsp)
814 mstyle color #ff0000 (p) \nbsp"
815 non associative with precedence 19
816 for @{ 'lemma3_ko_2 $a $b $c $p ($H : $_) }.
817 interpretation "lemma3_ko_2" 'lemma3_ko_2 a b c p H =
818 (cast _ _ (show p (cast _ _
819 (Lemma3 _ _ _ _ (cast _ _ H) (cast _ _ a) (cast _ _ b) (cast _ _ c))))).
824 (\emsp a \emsp\emsp\emsp b \emsp\emsp\emsp c \emsp)
825 (╲ mstyle mathsize normal (H) ╱) \nbsp)
827 non associative with precedence 19
828 for @{ 'lemma3_ok_1 $a $b $c $p ($H : $_) }.
829 interpretation "lemma3_ok_1" 'lemma3_ok_1 a b c p H =
830 (show p (Lemma3 _ _ _ _ H a b c)).
834 (\emsp a \emsp\emsp\emsp b \emsp\emsp\emsp c \emsp)
835 (╲ mstyle mathsize normal (H) ╱) \nbsp)
836 mstyle color #ff0000 (p) \nbsp"
837 non associative with precedence 19
838 for @{ 'lemma3_ok_2 $a $b $c $p ($H : $_) }.
839 interpretation "lemma3_ok_2" 'lemma3_ok_2 a b c p H =
840 (cast _ _ (show p (Lemma3 _ _ _ _ H a b c))).
842 notation > "'lem' 3 term 90 l term 90 p term 90 q term 90 r" non associative with precedence 19
843 for @{ 'Lemma3 (hide_args ? $l : ?) (show $p ?) (show $q ?) (show $r ?) }.
844 interpretation "lemma 3 KO" 'Lemma3 l p q r =
845 (cast _ _ (Lemma3 unit unit unit unit (cast (Imply unit (Imply unit (Imply unit unit))) _ l) (cast unit _ p) (cast unit _ q) (cast unit _ r))).
846 interpretation "lemma 3 OK" 'Lemma3 l p q r = (Lemma3 _ _ _ _ l p q r).