(10steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card1 iff inhabited uniquely 2

1. A : Type
2. !A
  A ~ 1


By: New:a Analyze-1


Generated subgoal:

1 2. a : A
3. y:Aa = y  [not for witness]
  A ~ 1

4 steps

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

(10steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc