File: bug_1568.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 (11 lines) | stat: -rw-r--r-- 183 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
 
CoInductive A: Set :=
  mk_A: B -> A
with B: Set :=
  mk_B: A -> B.

CoFixpoint a:A := mk_A b
with b:B := mk_B a.

Goal b = match a with mk_A a1 => a1 end.
  simpl. reflexivity.
Qed.