Nuprl Lemma : weak-antecedent-function_wf

[es:EO]. ∀[P,Q:E ─→ ℙ]. ∀[f:{e:E| e}  ─→ E].  (Q ←==f== P ∈ ℙ)


Proof




Definitions occuring in Statement :  weak-antecedent-function: Q ←==f== P es-E: E event_ordering: EO uall: [x:A]. B[x] prop: member: t ∈ T set: {x:A| B[x]}  apply: a function: x:A ─→ B[x]
Lemmas :  all_wf es-causle_wf es-E_wf event_ordering_wf
\mforall{}[es:EO].  \mforall{}[P,Q:E  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[f:\{e:E|  P  e\}    {}\mrightarrow{}  E].    (Q  \mleftarrow{}==f==  P  \mmember{}  \mBbbP{})



Date html generated: 2015_07_17-AM-09_01_46
Last ObjectModification: 2015_01_27-PM-00_54_20

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