(7steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: factorial via iter wf 1

1. k : 
  0<k!k


By: k!k = 0  Asserted ...


Generated subgoal:

1   k!k = 0
5 steps

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

(7steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc