Nuprl - Proof: set inc wrt imp sq 1 1 2

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: set inc wrt imp sq 1 1 2

1. A : Type
2. B : A

Prop
3. B' : A

Prop
4.

x:A.

B(x)

B'(x)
5. x : {x:A| B(x) }
6. x

{x:A|

B'(x) }

{x:A| B'(x) }

By:	Use:[A \| B \| x] Inst: Thm* x:{x:A\| B(x) }. B(x)

Generated subgoal:

1 7. B(x)
x {x:A| B'(x) }
2 steps

About:

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