File: bug_3100.v

package info (click to toggle)
coq 8.20.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 44,116 kB
  • sloc: ml: 234,160; sh: 4,301; python: 3,270; ansic: 2,644; makefile: 882; lisp: 172; javascript: 63; xml: 24; sed: 2
file content (10 lines) | stat: -rw-r--r-- 249 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
 
Fixpoint F (n : nat) (A : Type) : Type :=
  match n with
  | 0 => True
  | S n => forall (x : A), F n (x = x)
  end.

Goal forall A n, (forall (x : A) (e : x = x), F n (e = e)).
intros A n.
Fail change (forall x, F n (x = x)) with (F (S n)).
Abort.