File: bug_1787.v

package info (click to toggle)
coq 9.1.0%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 35,964 kB
  • sloc: ml: 239,908; sh: 4,355; python: 2,985; ansic: 2,644; makefile: 874; lisp: 171; javascript: 63; xml: 24; sed: 2
file content (9 lines) | stat: -rw-r--r-- 262 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
 
Parameter P : nat -> nat -> Prop.
Parameter Q : nat -> nat -> Prop.
Axiom A : forall x x' x'', P x x' -> Q x'' x' -> P x x''.

Goal (P 1 3) -> (Q 1 3) -> (P 1 1).
intros H H'.
refine ((fun H1 : P 1 _ => let H2 := (_:Q 1 _) in A _ _ _ H1 H2) _).
clear.
Admitted.