Nuprl Lemma : fpf-sub-reflexive

[A:Type]. ∀[B:A ⟶ Type]. ∀[eq:EqDecider(A)]. ∀[f:a:A fp-> B[a]].  f ⊆ f


Proof




Definitions occuring in Statement :  fpf-sub: f ⊆ g fpf: a:A fp-> B[a] deq: EqDecider(T) uall: [x:A]. B[x] so_apply: x[s] function: x:A ⟶ B[x] universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T so_lambda: λ2x.t[x] so_apply: x[s] implies:  Q uimplies: supposing a
Lemmas referenced :  fpf-sub_witness fpf_wf deq_wf fpf-sub_weakening
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut lemma_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality sqequalRule lambdaEquality applyEquality because_Cache independent_functionElimination hypothesis isect_memberEquality functionEquality cumulativity universeEquality independent_isectElimination

Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  Type].  \mforall{}[eq:EqDecider(A)].  \mforall{}[f:a:A  fp->  B[a]].    f  \msubseteq{}  f



Date html generated: 2018_05_21-PM-09_28_01
Last ObjectModification: 2018_02_09-AM-10_23_30

Theory : finite!partial!functions


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