Definitions ElisTarskiPf B Sections NuprlLIB Doc

Some definitions of interest.
reps Def x reps y t == x IN t & ref(x) = y t
Thm* t:(u Term), x:u. (t reps x u) Prop
Thm* t,x:Term. (t reps x Term) Prop
termof Def A Term == {t:Term| t IN A }
Thm* (A Term) Type

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setuniverseequalmemberpropall!abstraction

Definitions ElisTarskiPf B Sections NuprlLIB Doc