(3steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: factorial tail via iter zero

  m,k:k<m  k!m = 0

By: Def of k!m


Generated subgoal:

1 1. m : 
2. k : 
3. k<m
  ( i:{k-m..k}. i+1) = 0  

2 steps

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

(3steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc