Nuprl Lemma : es-prior-fixedpoints-no_repeats

∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(Top)]. ∀[f:E(X) ─→ E(X)].
  ∀[e:E(X)]. no_repeats(E(X);prior-f-fixedpoints(e)) supposing ∀x:E(X). f x c≤ x


Proof




Definitions occuring in Statement :  es-prior-fixedpoints: prior-f-fixedpoints(e),  es-E-interface: E(X),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  es-causle: e c≤ e',  no_repeats: no_repeats(T;l),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  top: Top,  all: ∀x:A. B[x],  apply: f a,  function: x:A ─→ B[x],  universe: Type
Lemmas :  es-eq-E_wf,  event-ordering+_subtype,  bool_wf,  equal-wf-T-base,  assert_wf,  equal_wf,  es-E_wf,  bnot_wf,  not_wf,  no_repeats_singleton,  uiff_transitivity,  eqtt_to_assert,  assert-es-eq-E-2,  iff_transitivity,  iff_weakening_uiff,  eqff_to_assert,  assert_of_bnot,  no_repeats-append,  es-E-interface_wf,  es-prior-fixedpoints_wf,  eclass-val_wf2,  es-prior-interface_wf,  subtype_rel_list,  cons_wf,  nil_wf,  es-prior-interface-causl,  l_disjoint_singleton,  l_member_wf,  es-prior-fixedpoints-causle,  Id_wf,  es-loc-prior-interface,  es-loc_wf,  iff_weakening_equal,  es-causle-le,  eclass-val_wf,  es-locl_transitivity2,  es-locl_irreflexivity,  event-ordering+_wf,  es-prior-interface_wf0,  no_repeats_wf,  es-prior-fixedpoints-fix,  es-fix_wf2,  es-fix-causle,  es-fix-equal-E-interface,  es-E-interface-property,  in-eclass_wf

Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].  \mforall{}[f:E(X)  {}\mrightarrow{}  E(X)].
    \mforall{}[e:E(X)].  no\_repeats(E(X);prior-f-fixedpoints(e))  supposing  \mforall{}x:E(X).  f  x  c\mleq{}  x



Date html generated: 2015_07_21-PM-03_53_32
Last ObjectModification: 2015_02_04-PM-06_12_10

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