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

At: s2 1 1 2 1 2
1. t: Term
UP(f(t)) = f(t)
By: BackThru Thm* t:Term. UP(t) = t
Generated subgoals:

None

About:
all

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