Nuprl Lemma : squash-classrel

∀[Info,T:Type]. ∀[X:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:T].  uiff(↓v ∈ X(e);v ∈ X(e))


Proof




Definitions occuring in Statement :  classrel: v ∈ X(e),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  es-E: E,  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  squash: ↓T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  classrel: v ∈ X(e),  bag-member: x ↓∈ bs,  squash: ↓T,  prop: ℙ,  subtype_rel: A ⊆r B,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2]

Latex:
\mforall{}[Info,T:Type].  \mforall{}[X:EClass(T)].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].  \mforall{}[v:T].    uiff(\mdownarrow{}v  \mmember{}  X(e);v  \mmember{}  X(e))



Date html generated: 2016_05_16-PM-01_38_24
Last ObjectModification: 2016_01_17-PM-07_50_27

Theory : event-ordering


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