Nuprl Lemma : es-local-le-pred-property

[Info:Type]
  ∀P:es:EO+(Info) ⟶ E ⟶ 𝔹. ∀es:EO+(Info). ∀e:E.
    ((↑e ∈b ≤(P) ⇐⇒ ∃a:E. (a ≤loc e  ∧ (↑(P es a))))
    ∧ ≤(P)(e) ≤loc e  ∧ (↑(P es ≤(P)(e))) ∧ (∀e'':E. (e'' ≤loc e   (≤(P)(e) <loc e'')  (¬↑(P es e'')))) 
      supposing ↑e ∈b ≤(P))


Proof




Definitions occuring in Statement :  es-local-le-pred: (P) eclass-val: X(e) in-eclass: e ∈b X event-ordering+: EO+(Info) es-le: e ≤loc e'  es-locl: (e <loc e') es-E: E assert: b bool: 𝔹 uimplies: supposing a uall: [x:A]. B[x] all: x:A. B[x] exists: x:A. B[x] iff: ⇐⇒ Q not: ¬A implies:  Q and: P ∧ Q apply: a function: x:A ⟶ B[x] universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] all: x:A. B[x] member: t ∈ T subtype_rel: A ⊆B strongwellfounded: SWellFounded(R[x; y]) exists: x:A. B[x] guard: {T} int_seg: {i..j-} lelt: i ≤ j < k and: P ∧ Q uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) false: False implies:  Q not: ¬A top: Top prop: decidable: Dec(P) or: P ∨ Q le: A ≤ B less_than': less_than'(a;b) iff: ⇐⇒ Q rev_implies:  Q nat: ge: i ≥  less_than: a < b squash: T es-local-le-pred: (P) eclass-val: X(e) in-eclass: e ∈b X bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) ifthenelse: if then else fi  eq_int: (i =z j) assert: b cand: c∧ B true: True so_lambda: λ2x.t[x] so_apply: x[s] bfalse: ff so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] es-le: e ≤loc e'  sq_type: SQType(T)

Latex:
\mforall{}[Info:Type]
    \mforall{}P:es:EO+(Info)  {}\mrightarrow{}  E  {}\mrightarrow{}  \mBbbB{}.  \mforall{}es:EO+(Info).  \mforall{}e:E.
        ((\muparrow{}e  \mmember{}\msubb{}  \mleq{}(P)  \mLeftarrow{}{}\mRightarrow{}  \mexists{}a:E.  (a  \mleq{}loc  e    \mwedge{}  (\muparrow{}(P  es  a))))
        \mwedge{}  \mleq{}(P)(e)  \mleq{}loc  e 
            \mwedge{}  (\muparrow{}(P  es  \mleq{}(P)(e)))
            \mwedge{}  (\mforall{}e'':E.  (e''  \mleq{}loc  e    {}\mRightarrow{}  (\mleq{}(P)(e)  <loc  e'')  {}\mRightarrow{}  (\mneg{}\muparrow{}(P  es  e'')))) 
            supposing  \muparrow{}e  \mmember{}\msubb{}  \mleq{}(P))



Date html generated: 2016_05_16-PM-11_29_47
Last ObjectModification: 2016_01_17-PM-07_31_07

Theory : event-ordering


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