(5steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: no prime divs one 1 2 1
1. b : 
2. 0b
  -b | 1  prime(-b)
By: Guarding (<prop>  <prop>) BackThru: Thm*  b:. b | 1  prime(b) ...

Generated subgoals:

None

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

(5steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc