Nuprl Lemma : bag-restrict-append

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[x:T]. ∀[b,c:bag(T)].  ((b + c|x) ~ (b|x) + (c|x))


Proof




Definitions occuring in Statement :  bag-restrict: (b|x),  bag-append: as + bs,  bag: bag(T),  deq: EqDecider(T),  uall: ∀[x:A]. B[x],  universe: Type,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  bag-restrict: (b|x),  so_lambda: λ2x.t[x],  top: Top,  so_apply: x[s]
Lemmas referenced :  bag-filter-append,  bag_wf,  deq_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  isect_memberEquality,  voidElimination,  voidEquality,  hypothesis,  sqequalAxiom,  hypothesisEquality,  because_Cache,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[x:T].  \mforall{}[b,c:bag(T)].    ((b  +  c|x)  \msim{}  (b|x)  +  (c|x))



Date html generated: 2016_05_15-PM-08_10_17
Last ObjectModification: 2015_12_27-PM-04_12_10

Theory : bags_2


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