(4steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: mul cancel in assoced 1 2

1. a : 
2. b : 
3. n : 
4. na = -nb
  a = b  a = -b


By: (Sel 2 (Analyze 0))
THEN
(Using [`n',n] (BackThru Thm* a,b:n:na = nb  a = b))


Generated subgoals:

None

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

(4steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc