Nuprl Lemma : cs-ref-map3-decided

[V:Type]
  ∀L:ts-reachable(consensus-ts3(V)). ∀v:V.  ((COMMITED[v] ∈ L) ⇐⇒ cs-ref-map3(L) Decided[v] ∈ consensus-state2(V))


Proof




Definitions occuring in Statement :  cs-ref-map3: cs-ref-map3(L) consensus-ts3: consensus-ts3(T) cs-commited: COMMITED[v] consensus-state3: consensus-state3(T) consensus-state2: consensus-state2(T) cs-decided: Decided[v] l_member: (x ∈ l) uall: [x:A]. B[x] all: x:A. B[x] iff: ⇐⇒ Q universe: Type equal: t ∈ T ts-reachable: ts-reachable(ts)
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T all: x:A. B[x] ts-reachable: ts-reachable(ts) consensus-ts3: consensus-ts3(T) ts-type: ts-type(ts) pi1: fst(t) subtype_rel: A ⊆B cs-ref-map3: cs-ref-map3(L) let: let implies:  Q prop: assert: b ifthenelse: if then else fi  btrue: tt uiff: uiff(P;Q) and: P ∧ Q iff: ⇐⇒ Q uimplies: supposing a true: True rev_implies:  Q so_lambda: λ2x.t[x] int_seg: {i..j-} guard: {T} lelt: i ≤ j < k decidable: Dec(P) or: P ∨ Q satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False not: ¬A top: Top less_than: a < b squash: T so_apply: x[s] cons: [a b] nat: le: A ≤ B subtract: m less_than': less_than'(a;b) listp: List+ bfalse: ff bool: 𝔹 unit: Unit it: l_member: (x ∈ l) cand: c∧ B cs-is-committed: cs-is-committed(x) isl: isl(x) cs-commited: COMMITED[v] cs-decided: Decided[v] cs-ambivalent: AMBIVALENT consensus-state2: consensus-state2(T) cs-predecided: PREDECIDED[v]

Latex:
\mforall{}[V:Type]
    \mforall{}L:ts-reachable(consensus-ts3(V)).  \mforall{}v:V.    ((COMMITED[v]  \mmember{}  L)  \mLeftarrow{}{}\mRightarrow{}  cs-ref-map3(L)  =  Decided[v])



Date html generated: 2016_05_16-AM-11_52_51
Last ObjectModification: 2016_01_17-PM-03_54_56

Theory : event-ordering


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