Nuprl Lemma : iseg-es-le-before-is-before

[es:EO]. ∀[e,x:E]. ∀[L:E List].  before(x) ∈ (E List) supposing [x] ≤ ≤loc(e)


Proof




Definitions occuring in Statement :  es-le-before: loc(e) es-before: before(e) es-E: E event_ordering: EO iseg: l1 ≤ l2 append: as bs cons: [a b] nil: [] list: List uimplies: supposing a uall: [x:A]. B[x] equal: t ∈ T
Lemmas :  length_wf_nat Id_wf es-loc_wf es-le-before_wf equal_wf nat_wf member_append member_singleton l_member_wf member-es-le-before es-le-before-partition exists_wf append_wf es-before_wf append_assoc es-le-before-no_repeats no_repeats_wf list-decomp-no_repeats iseg_wf es-E_wf cons_wf nil_wf es-le-before_wf2 subtype_rel_list es-le_wf list_wf event_ordering_wf es-bless_wf bool_wf eqtt_to_assert assert-es-bless list_ind_cons_lemma list_ind_nil_lemma es-open-interval_wf eqff_to_assert bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot es-locl_wf es-locl-trichotomy es-le-loc es-locl_transitivity1 es-locl_transitivity2 decidable__assert es-first_wf2 not_wf assert_wf es-pred_wf es-pred-locl es-le_weakening squash_wf true_wf es-interval-open-interval iff_weakening_equal es-open-interval-nil
\mforall{}[es:EO].  \mforall{}[e,x:E].  \mforall{}[L:E  List].    L  =  before(x)  supposing  L  @  [x]  \mleq{}  \mleq{}loc(e)



Date html generated: 2015_07_17-AM-08_44_35
Last ObjectModification: 2015_02_04-AM-07_09_30

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