Level: Lib Thy Top:
Hypotheses:

None

Conclusion:

T,S:. f:T S. Fin(S) (s:S. Dec(t:T. f t = s)) Fin(x,y:T//(f x = f y))

Applied Tactic: UnivCD THENW Auto
Generated subgoals:

1. Fin(x,y:T//(f x = f y))