Nuprl Lemma : sub-es-pred_wf

[es:EO]. ∀[dom:E ─→ 𝔹]. ∀[e:E].  (sub-es-pred(es;dom;e) ∈ {e:E| ↑(dom e)} ?)


Proof




Definitions occuring in Statement :  sub-es-pred: sub-es-pred(es;dom;e) es-E: E event_ordering: EO assert: b bool: 𝔹 uall: [x:A]. B[x] unit: Unit member: t ∈ T set: {x:A| B[x]}  apply: a function: x:A ─→ B[x] union: left right
Lemmas :  es-locl-swellfnd nat_properties less_than_transitivity1 less_than_irreflexivity ge_wf less_than_wf int_seg_wf int_seg_subtype-nat decidable__le subtract_wf false_wf not-ge-2 less-iff-le condition-implies-le minus-one-mul zero-add minus-add minus-minus add-associates add-swap add-commutes add_functionality_wrt_le add-zero le-add-cancel decidable__equal_int subtype_rel-int_seg le_weakening int_seg_properties le_wf nat_wf zero-le-nat lelt_wf es-locl_wf equal_wf decidable__lt not-equal-2 le-add-cancel-alt not-le-2 sq_stable__le add-mul-special zero-mul es-E_wf bool_wf event_ordering_wf es-first_wf2 it_wf assert_wf equal-wf-T-base bnot_wf not_wf es-pred_wf eqtt_to_assert unit_wf2 eqff_to_assert bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot es-pred-locl uiff_transitivity assert_of_bnot
\mforall{}[es:EO].  \mforall{}[dom:E  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[e:E].    (sub-es-pred(es;dom;e)  \mmember{}  \{e:E|  \muparrow{}(dom  e)\}  ?)



Date html generated: 2015_07_17-AM-09_05_51
Last ObjectModification: 2015_01_27-PM-00_49_06

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