Nuprl Lemma : fpf-empty_wf

[A:Type]. ∀[B:A ⟶ Type].  (⊗ ∈ x:A fp-> B[x])


Proof




Definitions occuring in Statement :  fpf-empty: fpf: a:A fp-> B[a] uall: [x:A]. B[x] so_apply: x[s] member: t ∈ T function: x:A ⟶ B[x] universe: Type
Definitions unfolded in proof :  fpf-empty: fpf: a:A fp-> B[a] uall: [x:A]. B[x] member: t ∈ T subtype_rel: A ⊆B uimplies: supposing a not: ¬A implies:  Q false: False prop: so_apply: x[s]
Lemmas referenced :  nil_wf it_wf null_nil_lemma btrue_wf member-implies-null-eq-bfalse btrue_neq_bfalse l_member_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity sqequalRule isect_memberFormation introduction cut dependent_pairEquality lemma_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis lambdaEquality applyEquality setElimination rename independent_isectElimination equalityTransitivity equalitySymmetry independent_functionElimination voidElimination setEquality functionEquality axiomEquality cumulativity universeEquality isect_memberEquality because_Cache

Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  Type].    (\motimes{}  \mmember{}  x:A  fp->  B[x])



Date html generated: 2018_05_21-PM-09_17_38
Last ObjectModification: 2018_02_09-AM-10_16_37

Theory : finite!partial!functions


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