(10steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc
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At: decidable divides 1 1 2 1
1. a : 
2. b : 
3. a = 0
4. b = 0
5. a | b
  False
By: (HypSubst 3 5) THEN (FwdThru Thm* a:. 0 | a  a = 0 [5])

Generated subgoals:

None

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

(10steps total) PrintForm Definitions Lemmas num thy 1 Sections StandardLIB Doc