Nuprl Lemma : consensus-refinement1

∀[V:Type]. ts-refinement(consensus-ts1(V);consensus-ts2(V);λx.if cs-is-decided(x) then x else UNDECIDED fi )


Proof




Definitions occuring in Statement :  consensus-ts2: consensus-ts2(T),  cs-is-decided: cs-is-decided(x),  consensus-ts1: consensus-ts1(T),  cs-undecided: UNDECIDED,  ifthenelse: if b then t else f fi ,  uall: ∀[x:A]. B[x],  lambda: λx.A[x],  universe: Type,  ts-refinement: ts-refinement(ts1;ts2;f)
Lemmas :  infix_ap_wf,  ts-reachable_wf,  consensus-ts2_wf,  subtype_rel_set,  subtype_rel_wf,  ts-type_wf,  ts-rel_wf,  subtype_rel_dep_function,  subtype_rel_self,  ts-final_wf,  consensus-ts1_wf,  rel_star_weakening,  ts-init_wf,  bfalse_wf,  bool_wf,  eqtt_to_assert,  it_wf,  subtype_rel_sum,  top_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  cs-undecided_wf,  isect_subtype_rel_trivial,  consensus-state1_wf,  consensus-state2_wf,  rel_star_wf,  or_wf,  equal-wf-T-base,  exists_wf,  cs-predecided_wf,  cs-decided_wf2,  cs-is-decided_wf,  cs-decided_wf,  rel_rel_star,  cs-ambivalent_wf,  equal-wf-base-T,  rel_star_transitivity
\mforall{}[V:Type]
    ts-refinement(consensus-ts1(V);consensus-ts2(V);\mlambda{}x.if  cs-is-decided(x)  then  x  else  UNDECIDED  fi  )



Date html generated: 2015_07_17-AM-11_22_02
Last ObjectModification: 2015_01_28-AM-07_37_32

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