Nuprl Lemma : parallel-classrel-weak
∀[T,Info:Type]. ∀[X,Y:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:T]. (v ∈ X || Y(e)
⇐⇒ v ∈ X(e) ↓∨ v ∈ Y(e))
Proof
Definitions occuring in Statement :
parallel-class: X || Y
,
classrel: v ∈ X(e)
,
eclass: EClass(A[eo; e])
,
event-ordering+: EO+(Info)
,
es-E: E
,
sq_or: a ↓∨ b
,
uall: ∀[x:A]. B[x]
,
iff: P
⇐⇒ Q
,
universe: Type
Definitions unfolded in proof :
uall: ∀[x:A]. B[x]
,
member: t ∈ T
,
subtype_rel: A ⊆r B
,
so_lambda: λ2x y.t[x; y]
,
so_apply: x[s1;s2]
,
uiff: uiff(P;Q)
,
and: P ∧ Q
,
iff: P
⇐⇒ Q
,
implies: P
⇒ Q
,
uimplies: b supposing a
,
sq_or: a ↓∨ b
,
squash: ↓T
,
prop: ℙ
,
rev_implies: P
⇐ Q
,
classrel: v ∈ X(e)
,
bag-member: x ↓∈ bs
Latex:
\mforall{}[T,Info:Type]. \mforall{}[X,Y:EClass(T)]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. \mforall{}[v:T].
(v \mmember{} X || Y(e) \mLeftarrow{}{}\mRightarrow{} v \mmember{} X(e) \mdownarrow{}\mvee{} v \mmember{} Y(e))
Date html generated:
2016_05_16-PM-02_30_42
Last ObjectModification:
2016_01_17-PM-07_31_22
Theory : event-ordering
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