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At: increasing le 1 2 2

1. k : 
2. 0<k
3. m:. (f:((k-1)m). increasing(f;k-1))  k-1m
4. m : 
5. f : km
6. increasing(f;k)
  increasing(i.f(i+1)-f(1);k-1)


By: All (Unfold `increasing`) THEN Reduce 0 THEN InstHyp [i+1] -2


Generated subgoals:

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About:
intnatural_numberaddsubtractless_thanlambdaapply
functionimpliesallexists
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(11steps total) PrintForm Definitions Lemmas mb nat Sections MarkB generic Doc