(6steps total) PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: not sq iff sq 2 1
1. P : Prop
2. P
3. P
  False
By: Analyze-1

Generated subgoal:

1 3. P
  False
1 step

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

(6steps total) PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc