(8steps total) PrintForm Definitions Lemmas ElisTarskiPf A Sections NuprlLIB Doc

At: s2 1
1. t: Term
s(t) = SUBX(t; SUBX(f(t); f(t)))
By: Rewrite Thm* t:Term. s(t) = SUBX(t; SUBX(f(t); UP(f(t)))) 0
Generated subgoal:

1 SUBX(t; SUBX(f(t); UP(f(t)))) = SUBX(t; SUBX(f(t); f(t)))6 steps

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(8steps total) PrintForm Definitions Lemmas ElisTarskiPf A Sections NuprlLIB Doc