Nuprl - Proof: card pi vs nsub pi 2 1 1 1 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card pi vs nsub pi 2 1 1 1 1

1. a :

2. 0<a
3.

b:(

(a-1)

). (i:

(a-1)

b(i)) ~

(

(a-1). b(i))
4.

5. x :

6. y :

By:	Auto THEN BackThru: Thm* a,b:. 0ab

Generated subgoals:

None

About:

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