Nuprl Lemma : l_all-mapfilter-interface-predecessors

[Info:Type]. ∀[es:EO+(Info)]. ∀[A:Type]. ∀[X:EClass(A)]. ∀[Q:E(X) ─→ 𝔹]. ∀[P:A ─→ 𝔹]. ∀[e:E(X)].
  uiff((∀v∈mapfilter(λe.X(e);λe'.Q[e'];≤(X)(e)).↑P[v]);∀e'≤e.(↑e' ∈b X)  (↑Q[e'])  (↑P[X(e')]))


Proof




Definitions occuring in Statement :  es-interface-predecessors: (X)(e) es-E-interface: E(X) eclass-val: X(e) in-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) alle-le: e≤e'.P[e] mapfilter: mapfilter(f;P;L) l_all: (∀x∈L.P[x]) assert: b bool: 𝔹 uiff: uiff(P;Q) uall: [x:A]. B[x] so_apply: x[s] implies:  Q lambda: λx.A[x] function: x:A ─→ B[x] universe: Type
Lemmas :  bool_wf es-E-interface_wf es-interface-subtype_rel2 es-E_wf event-ordering+_subtype top_wf eclass_wf event-ordering+_wf assert_witness eclass-val_wf assert_wf in-eclass_wf es-le_wf l_all_wf2 mapfilter_wf Id_wf es-loc_wf es-interface-predecessors_wf set_wf sq_stable__assert l_member_wf select_wf sq_stable__le int_seg_wf length_wf alle-le_wf l_all_iff member-mapfilter es-le-loc member-interface-predecessors-subtype assert_functionality_wrt_uiff

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[A:Type].  \mforall{}[X:EClass(A)].  \mforall{}[Q:E(X)  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[P:A  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[e:E(X)].
    uiff((\mforall{}v\mmember{}mapfilter(\mlambda{}e.X(e);\mlambda{}e'.Q[e'];\mleq{}(X)(e)).\muparrow{}P[v]);\mforall{}e'\mleq{}e.(\muparrow{}e'  \mmember{}\msubb{}  X)  {}\mRightarrow{}  (\muparrow{}Q[e'])  {}\mRightarrow{}  (\muparrow{}P[X(e')]))



Date html generated: 2015_07_21-PM-03_39_55
Last ObjectModification: 2015_01_27-PM-06_31_47

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