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)].
  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: supposing a uall: [x:A]. B[x] top: Top and: P ∧ Q apply: 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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