Nuprl Lemma : member-implies-classrel

[Info,T:Type]. ∀[X:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E].  ↓∃v:T. v ∈ X(e) supposing ↑e ∈b X


Proof




Definitions occuring in Statement :  classrel: v ∈ X(e) member-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E assert: b uimplies: supposing a uall: [x:A]. B[x] exists: x:A. B[x] squash: T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T uimplies: supposing a member-eclass: e ∈b X squash: T prop: subtype_rel: A ⊆B so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] eclass: EClass(A[eo; e]) nat: all: x:A. B[x] decidable: Dec(P) or: P ∨ Q guard: {T} ge: i ≥  satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False implies:  Q not: ¬A top: Top and: P ∧ Q iff: ⇐⇒ Q classrel: v ∈ X(e) bag-member: x ↓∈ bs uiff: uiff(P;Q) rev_implies:  Q

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



Date html generated: 2016_05_16-PM-01_36_05
Last ObjectModification: 2016_01_17-PM-07_52_46

Theory : event-ordering


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