Nuprl Lemma : comb_for_sd_ordered_wf

λs,as,z. sd_ordered(as) ∈ s:DSet ⟶ as:(|s| List) ⟶ (↓True) ⟶ 𝔹


Proof




Definitions occuring in Statement :  sd_ordered: sd_ordered(as),  list: T List,  bool: 𝔹,  squash: ↓T,  true: True,  member: t ∈ T,  lambda: λx.A[x],  function: x:A ⟶ B[x],  dset: DSet,  set_car: |p|
Definitions unfolded in proof :  member: t ∈ T,  squash: ↓T,  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x],  prop: ℙ,  dset: DSet
Lemmas referenced :  sd_ordered_wf,  squash_wf,  true_wf,  list_wf,  set_car_wf,  dset_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaEquality,  sqequalHypSubstitution,  imageElimination,  cut,  lemma_by_obid,  dependent_functionElimination,  thin,  hypothesisEquality,  equalityTransitivity,  hypothesis,  equalitySymmetry,  isectElimination,  setElimination,  rename

Latex:
\mlambda{}s,as,z.  sd\_ordered(as)  \mmember{}  s:DSet  {}\mrightarrow{}  as:(|s|  List)  {}\mrightarrow{}  (\mdownarrow{}True)  {}\mrightarrow{}  \mBbbB{}



Date html generated: 2016_05_16-AM-08_15_04
Last ObjectModification: 2015_12_28-PM-06_28_47

Theory : polynom_2


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