Nuprl Lemma : es-pplus-first-since

es:EO. ∀e1:E. ∀e2:{e:E| loc(e) loc(e1) ∈ Id} .
  ∀[Q:{e:E| loc(e) loc(e1) ∈ Id}  ⟶ ℙ]
    ((∀e:{e:E| loc(e) loc(e1) ∈ Id} Dec(Q[e]))  ([e1,e2]~([a,b].b first e ≥ a.Q[e])+ ⇐⇒ e1 ≤loc e2  ∧ Q[e2]))


Proof




Definitions occuring in Statement :  es-pplus: [e1,e2]~([a,b].p[a; b])+ es-first-since: e2 first e ≥ e1.P[e] es-le: e ≤loc e'  es-loc: loc(e) es-E: E event_ordering: EO Id: Id decidable: Dec(P) uall: [x:A]. B[x] prop: so_apply: x[s] all: x:A. B[x] iff: ⇐⇒ Q implies:  Q and: P ∧ Q set: {x:A| B[x]}  function: x:A ⟶ B[x] equal: t ∈ T
Definitions unfolded in proof :  all: x:A. B[x] uall: [x:A]. B[x] implies:  Q iff: ⇐⇒ Q and: P ∧ Q member: t ∈ T so_lambda: λ2y.t[x; y] so_lambda: λ2x.t[x] so_apply: x[s] so_apply: x[s1;s2] es-pplus: [e1,e2]~([a,b].p[a; b])+ es-pstar-q: [e1;e2]~([a,b].p[a; b])*[a,b].q[a; b] exists: x:A. B[x] es-first-since: e2 first e ≥ e1.P[e] prop: rev_implies:  Q guard: {T} int_seg: {i..j-} lelt: i ≤ j < k uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) false: False not: ¬A top: Top decidable: Dec(P) or: P ∨ Q subtype_rel: A ⊆B le: A ≤ B less_than': less_than'(a;b) nat: ge: i ≥  alle-at: e@i.P[e] existse-between1: e∈[e1,e2).P[e] cand: c∧ B less_than: a < b squash: T alle-between1: e∈[e1,e2).P[e]

Latex:
\mforall{}es:EO.  \mforall{}e1:E.  \mforall{}e2:\{e:E|  loc(e)  =  loc(e1)\}  .
    \mforall{}[Q:\{e:E|  loc(e)  =  loc(e1)\}    {}\mrightarrow{}  \mBbbP{}]
        ((\mforall{}e:\{e:E|  loc(e)  =  loc(e1)\}  .  Dec(Q[e]))
        {}\mRightarrow{}  ([e1,e2]\msim{}([a,b].b  =  first  e  \mgeq{}  a.Q[e])+  \mLeftarrow{}{}\mRightarrow{}  e1  \mleq{}loc  e2    \mwedge{}  Q[e2]))



Date html generated: 2016_05_16-AM-09_58_53
Last ObjectModification: 2016_01_17-PM-01_24_10

Theory : new!event-ordering


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