(7steps total) PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc
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At: factorial via iter wf 1 1 1 1 1
1. k : 
2. i:{(k-k)..k}. i+1 = 0
  False
By: Analyze-1

Generated subgoal:

1 2. i : {(k-k)..k}
3. i+1 = 0
  False
Auto

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