Nuprl - Proof: card pi vs nsub pi 1 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card pi vs nsub pi 1 1

1. b :

(i:

b(i)) ~

By:	BackThru: Thm* (A ~ 1) (!A)

Generated subgoal:

1 !(i:0b(i))
2 steps

About:

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