(22steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: prime nat 3 1 2 1 1

1. x : 
2. 2x
3. (i:{2..x}. i | x)
4. b : 
5. |b| | x
6. |b| ~ b
  |b| = 1  |b| = x


By: FwdThru: Thm*  a:b:a | b  ab on [ Hyp:5 ]


Generated subgoal:

1 7. |b|x
  |b| = 1  |b| = x

7 steps

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

(22steps total) PrintForm Definitions Lemmas SimpleMulFacts Sections DiscrMathExt Doc