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

At: Tarski 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))
False
By: Assert (S = NOT(SUBX(tr; S)))
Generated subgoals:

1 S = NOT(SUBX(tr; S))3 steps
 
29. S = NOT(SUBX(tr; S))
False		6 steps

About:
applyfunctionequalpropimpliesfalseallexists

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