(7steps total) PrintForm Lemmas ElisTarskiPf B Sections NuprlLIB Doc

At: qsubx repst 1 1 1 1
1. t: Term
2. r: Term
3. t': Term
4. r': Term
5. t IN Term
6. ref(t) = t'
7. r IN Term
8. ref(r) = r'
SUBX(t; r) IN Term
By: BackThru Thm* t,r:Term. t IN Term & r IN Term SUBX(t; r) IN Term
Generated subgoals:

None

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equalimpliesandall

(7steps total) PrintForm Lemmas ElisTarskiPf B Sections NuprlLIB Doc