Nuprl Lemma : fpf-contains_wf

[A:Type]. ∀[B:A ⟶ Type]. ∀[eq:EqDecider(A)]. ∀[f,g:a:A fp-> B[a] List].  (f ⊆⊆ g ∈ ℙ)


Proof




Definitions occuring in Statement :  fpf-contains: f ⊆⊆ g fpf: a:A fp-> B[a] list: List deq: EqDecider(T) uall: [x:A]. B[x] prop: so_apply: x[s] member: t ∈ T function: x:A ⟶ B[x] universe: Type
Definitions unfolded in proof :  fpf-contains: f ⊆⊆ g uall: [x:A]. B[x] member: t ∈ T so_lambda: λ2x.t[x] implies:  Q prop: subtype_rel: A ⊆B so_apply: x[s] uimplies: supposing a all: x:A. B[x] top: Top cand: c∧ B
Lemmas referenced :  all_wf assert_wf fpf-dom_wf subtype-fpf2 list_wf top_wf l_contains_wf fpf-ap_wf fpf_wf deq_wf
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep isect_memberFormation introduction cut lemma_by_obid sqequalHypSubstitution isectElimination thin cumulativity hypothesisEquality lambdaEquality functionEquality because_Cache applyEquality hypothesis independent_isectElimination lambdaFormation isect_memberEquality voidElimination voidEquality productEquality axiomEquality equalityTransitivity equalitySymmetry universeEquality

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



Date html generated: 2018_05_21-PM-09_19_12
Last ObjectModification: 2018_02_09-AM-10_17_28

Theory : finite!partial!functions


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