(4steps total) PrintForm Definitions ElisTarskiPf B Sections NuprlLIB Doc

At: subx wf 1

1. t: Term
2. r: Term
t/r Term

By: Unfold `subx` 0

Generated subgoals:

None

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(4steps total) PrintForm Definitions ElisTarskiPf B Sections NuprlLIB Doc