Nuprl Lemma : primed-class-opt_wf

[Info,T:Type]. ∀[b:Id ⟶ bag(T)]. ∀[X:EClass(T)].  (Prior(X)?b ∈ EClass(T))


Proof




Definitions occuring in Statement :  primed-class-opt: Prior(X)?b eclass: EClass(A[eo; e]) Id: Id uall: [x:A]. B[x] member: t ∈ T function: x:A ⟶ B[x] universe: Type bag: bag(T)
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T primed-class-opt: Prior(X)?b eclass: EClass(A[eo; e]) subtype_rel: A ⊆B nat: so_lambda: λ2x.t[x] prop: and: P ∧ Q implies:  Q so_apply: x[s] all: x:A. B[x] or: P ∨ Q sq_exists: x:{A| B[x]} so_lambda: λ2y.t[x; y] so_apply: x[s1;s2]

Latex:
\mforall{}[Info,T:Type].  \mforall{}[b:Id  {}\mrightarrow{}  bag(T)].  \mforall{}[X:EClass(T)].    (Prior(X)?b  \mmember{}  EClass(T))



Date html generated: 2016_05_16-PM-11_30_57
Last ObjectModification: 2015_12_29-AM-10_17_42

Theory : event-ordering


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