Nuprl Lemma : cut-of-closed

∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(Top)]. ∀[f:sys-antecedent(es;X)]. ∀[s:fset(E(X))]. ∀[e:E(X)].
  f e ∈ cut(X;f;s) ∧ prior(X)(e) ∈ cut(X;f;s) supposing ↑e ∈b prior(X) ∧ e ∈ cut(X;f;s) supposing e ∈ s


Proof




Definitions occuring in Statement :  cut-of: cut(X;f;s),  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,  fset: fset(T),  assert: ↑b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  top: Top,  and: P ∧ Q,  apply: f a,  universe: Type
Lemmas :  cut-of-property,  fset_wf,  es-E-interface_wf,  sys-antecedent_wf,  eclass_wf,  top_wf,  es-E_wf,  event-ordering+_subtype,  event-ordering+_wf,  cut-of_wf,  es-cut_wf,  f-subset_wf,  es-eq_wf-interface,  all_wf,  fset-member_wf,  assert_wf,  in-eclass_wf,  es-prior-interface_wf0,  es-interface-subtype_rel2,  subtype_top,  eclass-val_wf2,  es-prior-interface_wf,  isect_wf,  squash_wf,  fset-member_witness,  sq_stable__all,  sq_stable__and,  sq_stable_from_decidable,  decidable__fset-member,  sq_stable__uall,  and_wf,  equal_wf,  fset-member_wf-cut,  l_all_iff,  cons_wf,  es-interface-pred_wf,  nil_wf,  l_member_wf,  cons_member,  bool_wf,  equal-wf-T-base,  bnot_wf,  not_wf,  eqtt_to_assert,  uiff_transitivity,  eqff_to_assert,  assert_of_bnot

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].  \mforall{}[f:sys-antecedent(es;X)].  \mforall{}[s:fset(E(X))].
\mforall{}[e:E(X)].
    f  e  \mmember{}  cut(X;f;s)  \mwedge{}  prior(X)(e)  \mmember{}  cut(X;f;s)  supposing  \muparrow{}e  \mmember{}\msubb{}  prior(X)  \mwedge{}  e  \mmember{}  cut(X;f;s) 
    supposing  e  \mmember{}  s



Date html generated: 2015_07_21-PM-03_58_13
Last ObjectModification: 2015_01_27-PM-05_54_17

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