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At: fin iff 1 1 nsub


T:Type. Fin(T) (m:. m ~ T)

By:
Unfold `finite` 0
THEN
UnivCD


Generated subgoal:

11. T: Type
(n:, f:(nT). Bij(n; T; f)) (m:. m ~ T)


About:
alluniverseexistsnatural_numberfunction