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At: eval factorization one b

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

By: Rewrite by Thm*  Q:(TProp). (x:TQ(x))  (x:TQ(x)) ...a
THEN
SimilarTo:
Thm*  a:{2...}, b:f:({a..b}).
Thm*  {a..b}(f) = 1  (i:{a..b}. f(i) = 0) ...


Generated subgoals:

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About:
intnatural_numberless_thanapplyfunctionuniverseequalpropallexists
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