Nuprl Lemma : member-es-le-before3

es:EO. ∀e:E. ∀e':{e':E| e' ≤loc .  ((e' ∈ ≤loc(e)) ⇐⇒ e' ≤loc )


Proof




Definitions occuring in Statement :  es-le-before: loc(e) es-le: e ≤loc e'  es-E: E event_ordering: EO l_member: (x ∈ l) all: x:A. B[x] iff: ⇐⇒ Q set: {x:A| B[x]} 
Lemmas :  member-es-le-before less_than_wf length_wf es-E_wf Id_wf es-loc_wf es-le-before_wf select_wf sq_stable__le l_member_wf es-le_wf es-le-before_wf2 set_wf event_ordering_wf
\mforall{}es:EO.  \mforall{}e:E.  \mforall{}e':\{e':E|  e'  \mleq{}loc  e  \}  .    ((e'  \mmember{}  \mleq{}loc(e))  \mLeftarrow{}{}\mRightarrow{}  e'  \mleq{}loc  e  )



Date html generated: 2015_07_17-AM-08_40_50
Last ObjectModification: 2015_01_27-PM-02_40_13

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