Nuprl - Proof: compose iter surjection 1 1 1

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At: compose iter surjection 1 1 1

1. A : Type
2. f : A

A
3. Surj(A; A; f)

Surj(A; A; Id)

By:	Def THEN Reduce Concl

Generated subgoal:

1 4. b : A
a:A. a = b
1 step

About:

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