(9steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: prime neg 1 1 2 1

1. x : 
2. x ~ 1
  (-x) ~ 1


By: Rewrite by Thm*  a:. (-a) ~ a


Generated subgoals:

None

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

(9steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc