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At: eval factorization not one 1 1 1

1. a : {2...}
2. b : 
3. f : {a..b}
4. (i:{a..b}. f(i) = 0)
5. i : {a..b}
  f(i) = 0


By: FwdThru: Thm*  Q:(TProp). (x:TQ(x))  (x:TQ(x)) on [ Hyp:4 ]
Using:[i] ...w


Generated subgoal:

1 6. f(i) = 0
  f(i) = 0

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intnatural_numberapplyfunctionuniverseequalpropallexists
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(8steps total) PrintForm Definitions Lemmas FTA Sections DiscrMathExt Doc