(13steps total) PrintForm Definitions Lemmas ElisTarskiPf A Sections NuprlLIB Doc

At: Tarski 1 1 1 1 1 1
1. Tr: TermProp
2. tr: Term
3. L: TermProp
4. S:Term. (t:Term. S = t) L(SUBX(tr; S))
5. RespectsNot(Tr; L)
6. ReflectsProp(Tr; tr; Tr)
7. S: Term
8. S = s(NOT(tr))
s(NOT(tr)) = SUBX(NOT(tr); s(NOT(tr)))
By: BackThru Thm* t:Term. s(t) = SUBX(t; s(t))
Generated subgoals:

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applyfunctionequalpropimpliesallexists

(13steps total) PrintForm Definitions Lemmas ElisTarskiPf A Sections NuprlLIB Doc