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At: eval factorization one 1 1 1 2

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


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Generated subgoal:

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

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intnatural_numberapplyfunctionequalall
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(9steps total) PrintForm Definitions Lemmas FTA Sections DiscrMathExt Doc