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At: divides invar 2

  a,b:a | b  a | -b

By: Unfold `divides` 0 THEN GenUnivCD


Generated subgoals:

1 1. a : 
2. b : 
3. c:b = ac
  c:. -b = ac

1 step
2 1. a : 
2. b : 
3. c:. -b = ac
  c:b = ac

3 steps

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intminusmultiplyequalallexists
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html

(5steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Search Doc