Nuprl Lemma : causal-weak-predecessor_wf

∀[es:EO]. ∀[p:E ─→ (E + Top)].  (causal-weak-predecessor(es;p) ∈ ℙ)


Proof




Definitions occuring in Statement :  causal-weak-predecessor: causal-weak-predecessor(es;p),  es-E: E,  event_ordering: EO,  uall: ∀[x:A]. B[x],  top: Top,  prop: ℙ,  member: t ∈ T,  function: x:A ─→ B[x],  union: left + right
Lemmas :  all_wf,  assert_wf,  can-apply_wf,  subtype_rel_dep_function,  top_wf,  subtype_rel_sum,  es-causle_wf,  do-apply_wf,  es-E_wf,  event_ordering_wf
\mforall{}[es:EO].  \mforall{}[p:E  {}\mrightarrow{}  (E  +  Top)].    (causal-weak-predecessor(es;p)  \mmember{}  \mBbbP{})



Date html generated: 2015_07_17-AM-09_07_00
Last ObjectModification: 2015_01_27-PM-00_47_51

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