Nuprl Lemma : member-es-closed-open-interval

es:EO. ∀e,e',ev:E.  ((ev ∈ [e;e')) ⇐⇒ e ≤loc ev  ∧ (ev <loc e'))


Proof




Definitions occuring in Statement :  es-closed-open-interval: [e;e') es-le: e ≤loc e'  es-locl: (e <loc e') es-E: E event_ordering: EO l_member: (x ∈ l) all: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q
Lemmas :  es-E_wf event_ordering_wf es-locl_wf es-le_wf member-es-before assert-es-ble l_member_wf es-before_wf assert_wf es-ble_wf iff_wf member_filter filter_wf5
\mforall{}es:EO.  \mforall{}e,e',ev:E.    ((ev  \mmember{}  [e;e'))  \mLeftarrow{}{}\mRightarrow{}  e  \mleq{}loc  ev    \mwedge{}  (ev  <loc  e'))



Date html generated: 2015_07_17-AM-08_41_35
Last ObjectModification: 2015_01_27-PM-02_39_30

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