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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