Nuprl - Proof: nsub surj imp a rev inj gen 1 1 1 1 1 1

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At: nsub surj imp a rev inj gen 1 1 1 1 1 1

1. B : Type
2. e : B

3. IsEqFun(B;e)
4. a :

5. f :

B
6. Surj(

a; B; f)
7. f

a onto

B
8. y : B
9. a1 :

a
10. f(a1) = y

(f(a1)) e y

By:	BackThru: 3

Generated subgoals:

None

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html