Nuprl Lemma : fpf-contains_self

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


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

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



Date html generated: 2018_05_21-PM-09_19_15
Last ObjectModification: 2018_02_09-AM-10_17_29

Theory : finite!partial!functions


Home Index