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let Rewrite by let Thm* f:(AAA), u:A. let Thm* is_ident(A; f; u) let Thm* let Thm* (a,b:, e:({a..b}A). let Thm* ((i:{a..b}. e(i) = u) (Iter(f;u) i:{a..b}. e(i)) = u) in T Using:[a:= a] THEN Try BackThru: Hyp:11 THEN T Using:[a:= d] THEN Try BackThru: Hyp:11 |
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