Nuprl Lemma : eo-restrict_property

es:EO. ∀P:E ⟶ 𝔹.  (E ≡ {e:E| ↑(P e)}  ∧ (∀e:E. (loc(e) loc(e) ∈ Id)) ∧ (∀e1,e2:E.  ((e1 < e2) ⇐⇒ (e1 < e2))))


Proof




Definitions occuring in Statement :  es-causl: (e < e') es-loc: loc(e) eo-restrict: eo-restrict(eo;P) es-E: E event_ordering: EO Id: Id assert: b bool: 𝔹 ext-eq: A ≡ B all: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q set: {x:A| B[x]}  apply: a function: x:A ⟶ B[x] equal: t ∈ T
Definitions unfolded in proof :  all: x:A. B[x] and: P ∧ Q cand: c∧ B es-E: E eo-restrict: eo-restrict(eo;P) member: t ∈ T top: Top eq_atom: =a y ifthenelse: if then else fi  bfalse: ff btrue: tt es-loc: loc(e) record-select: r.x record-update: r[x := v] uall: [x:A]. B[x] subtype_rel: A ⊆B guard: {T} prop: uimplies: supposing a iff: ⇐⇒ Q implies:  Q es-causl: (e < e') rev_implies:  Q es-dom: es-dom(es) es-base-E: es-base-E(es) ext-eq: A ≡ B or: P ∨ Q band: p ∧b q assert: b true: True false: False bool: 𝔹 unit: Unit it: uiff: uiff(P;Q) exists: x:A. B[x] sq_type: SQType(T) bnot: ¬bb

Latex:
\mforall{}es:EO.  \mforall{}P:E  {}\mrightarrow{}  \mBbbB{}.
    (E  \mequiv{}  \{e:E|  \muparrow{}(P  e)\}    \mwedge{}  (\mforall{}e:E.  (loc(e)  =  loc(e)))  \mwedge{}  (\mforall{}e1,e2:E.    ((e1  <  e2)  \mLeftarrow{}{}\mRightarrow{}  (e1  <  e2))))



Date html generated: 2016_05_16-AM-09_14_51
Last ObjectModification: 2015_12_28-PM-09_59_09

Theory : new!event-ordering


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