Nuprl Lemma : l_before-es-le-before-iff

the_es:EO. ∀e,e',y:E.  (e' before y ∈ ≤loc(e) ⇐⇒ (e' <loc y) ∧ y ≤loc )


Proof




Definitions occuring in Statement :  es-le-before: loc(e) es-le: e ≤loc e'  es-locl: (e <loc e') es-E: E event_ordering: EO l_before: before y ∈ l all: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q
Lemmas :  es-E_wf event_ordering_wf member_singleton or_wf l_before_wf cons_wf nil_wf es-locl_wf l_member_wf iff_wf es-le_wf member-es-before es-before_wf l_before-es-before-iff l_before_append_iff append_wf singleton_before es-locl_transitivity2 es-le_weakening_eq es-le_weakening es-le-self and_wf equal_wf
\mforall{}the$_{es}$:EO.  \mforall{}e,e',y:E.    (e'  before  y  \mmember{}  \mleq{}loc(e)  \mLeftarrow{}{}\mRightarrow{}  (e'  <loc  y)  \mwedge{}  y  \mleq{}loc  e  )



Date html generated: 2015_07_17-AM-08_40_56
Last ObjectModification: 2015_01_27-PM-02_40_25

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