Nuprl - Proof: unique fun description2 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: unique fun description2 1

1. A : Type
2. B : A

Type
3. P : x:A

B(x)

Prop
4.

x:A.

!y:B(x). P(x,y)
5.

!f:(x:A

B(x)).

x:A. P(x,f(x))

{f:(x:A

B(x))|

x:A. P(x,f(x)) }

By:

Analyze-1

Generated subgoal:

1 5. x:AB(x)
6. f is the f:(x:AB(x)). x:A. P(x,f(x))
!{f:(x:AB(x))| x:A. P(x,f(x)) }
3 steps

About:

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