Nuprl Lemma : eo-forward-before

[Info:Type]. [es:EO+(Info)]. [e,b:E].  before(e) = filter(a.b loc a;before(e)) supposing b loc e 


Proof not projected




Definitions occuring in Statement :  eo-forward: eo.e event-ordering+: EO+(Info) es-before: before(e) es-ble: e loc e' es-le: e loc e'  es-E: E uimplies: b supposing a uall: [x:A]. B[x] lambda: x.A[x] list: type List universe: Type equal: s = t filter: filter(P;l)
Definitions :  member: t  T uimplies: b supposing a uall: [x:A]. B[x] true: True squash: T false: False not: A le: A  B ge: i  j  nat: implies: P  Q all: x:A. B[x] ycomb: Y es-before: before(e) guard: {T} bfalse: ff btrue: tt top: Top ifthenelse: if b then t else f fi  assert: b reduce: reduce(f;k;as) filter: filter(P;l) prop: subtype: S  T exists: x:A. B[x] strongwellfounded: SWellFounded(R[x; y]) and: P  Q uiff: uiff(P;Q) unit: Unit bool: rev_implies: P  Q iff: P  Q sq_type: SQType(T) or: P  Q es-le: e loc e'  it: !hyp_hide: x
Lemmas :  event-ordering+_wf es-E_wf event-ordering+_inc es-le_wf equal_wf es-causl_wf le_wf nat_wf less_than_wf ge_wf nat_properties es-causl-swellfnd eo-forward-first not_functionality_wrt_uiff assert_of_bnot eqff_to_assert not_wf bnot_wf assert-eq-id eqtt_to_assert Id_wf assert_wf uiff_transitivity bool_wf es-loc_wf eq_id_wf eo-forward-loc assert-es-eq-E-2 es-eq-E_wf es-locl-first es-le-pred es-causl_weakening es-pred-causl false_wf bool_subtype_base subtype_base_sq es-pred_wf assert_elim btrue_neq_bfalse es-first_wf true_wf squash_wf append_wf es-locl_wf top_wf es-before_wf3 filter_append_sq eo-forward-E-subtype member-eo-forward-E eo-forward_wf

\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[e,b:E].
    before(e)  =  filter(\mlambda{}a.b  \mleq{}loc  a;before(e))  supposing  b  \mleq{}loc  e 


Date html generated: 2012_01_23-PM-12_16_05
Last ObjectModification: 2011_12_13-AM-10_34_52

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