(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 among factors 1

1. a : 
2. b : 
3. prime(ab)
  ab = a  ab = b


By: Guarding (<prop> & <prop>)
FwdThru: 
Thm*  x:. prime(x 2x & (i:{2..x}. i | x)
on [ prime(ab) ] ...


Generated subgoal:

1 4. 2ab
5. (i:{2..(ab)}. i | ab)
  ab = a  ab = b

7 steps

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

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