Nuprl Lemma : fpf-domain_wf

∀[A:Type]. ∀[f:a:A fp-> Top].  (fpf-domain(f) ∈ A List)


Proof




Definitions occuring in Statement :  fpf-domain: fpf-domain(f),  fpf: a:A fp-> B[a],  list: T List,  uall: ∀[x:A]. B[x],  top: Top,  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  so_lambda: λ2x.t[x],  so_apply: x[s]
Lemmas referenced :  fpf-domain_wf2,  top_wf,  fpf_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  sqequalRule,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  lambdaEquality,  isect_memberEquality,  because_Cache,  universeEquality

Latex:
\mforall{}[A:Type].  \mforall{}[f:a:A  fp->  Top].    (fpf-domain(f)  \mmember{}  A  List)



Date html generated: 2018_05_21-PM-09_17_17
Last ObjectModification: 2018_02_09-AM-10_16_26

Theory : finite!partial!functions


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