Nuprl Lemma : es-cut-add_wf

[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(Top)]. ∀[f:sys-antecedent(es;X)]. ∀[c:Cut(X;f)]. ∀[e:E(X)].
  (c+e ∈ Cut(X;f)) supposing (((↑e ∈b prior(X))  prior(X)(e) ∈ c) and ((¬((f e) e ∈ E(X)))  e ∈ c))


Proof




Definitions occuring in Statement :  es-cut-add: c+e es-cut: Cut(X;f) es-prior-interface: prior(X) sys-antecedent: sys-antecedent(es;Sys) es-E-interface: E(X) eclass-val: X(e) in-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-eq: es-eq(es) fset-member: a ∈ s assert: b uimplies: supposing a uall: [x:A]. B[x] top: Top not: ¬A implies:  Q member: t ∈ T apply: a universe: Type equal: t ∈ T
Lemmas :  fset-union_wf es-eq_wf-interface fset-singleton_wf fset-closed_wf cons_wf es-interface-pred_wf2 nil_wf assert_wf in-eclass_wf es-prior-interface_wf0 es-interface-subtype_rel2 es-E_wf event-ordering+_subtype event-ordering+_wf top_wf subtype_top fset-member_wf-cut eclass-val_wf2 es-prior-interface_wf not_wf equal_wf es-E-interface_wf es-cut_wf sys-antecedent_wf eclass_wf l_all_iff es-interface-pred_wf l_member_wf all_wf isect_wf fset-member_wf member-fset-union fset-member_witness member-fset-singleton cons_member or_wf decidable__equal_es-E-interface null_nil_lemma btrue_wf member-implies-null-eq-bfalse btrue_neq_bfalse bool_wf equal-wf-T-base bnot_wf eqtt_to_assert uiff_transitivity eqff_to_assert assert_of_bnot sq_stable_from_decidable decidable__fset-member

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].  \mforall{}[f:sys-antecedent(es;X)].  \mforall{}[c:Cut(X;f)].
\mforall{}[e:E(X)].
    (c+e  \mmember{}  Cut(X;f))  supposing  (((\muparrow{}e  \mmember{}\msubb{}  prior(X))  {}\mRightarrow{}  prior(X)(e)  \mmember{}  c)  and  ((\mneg{}((f  e)  =  e))  {}\mRightarrow{}  f  e  \mmember{}  c))



Date html generated: 2015_07_21-PM-03_59_59
Last ObjectModification: 2015_01_27-PM-05_57_09

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