Nuprl Lemma : sd_ordered_count

∀s:QOSet. ∀as:|s| List.  ((↑sd_ordered(as)) ⇒ (∀c:|s|. ((c #∈ as) ≤ 1)))


Proof




Definitions occuring in Statement :  sd_ordered: sd_ordered(as),  count: a #∈ as,  list: T List,  assert: ↑b,  le: A ≤ B,  all: ∀x:A. B[x],  implies: P ⇒ Q,  natural_number: $n,  qoset: QOSet,  set_car: |p|
Definitions unfolded in proof :  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x],  member: t ∈ T,  qoset: QOSet,  dset: DSet,  so_lambda: λ2x.t[x],  implies: P ⇒ Q,  prop: ℙ,  so_apply: x[s],  uimplies: b supposing a,  ge: i ≥ j ,  and: P ∧ Q,  decidable: Dec(P),  or: P ∨ Q,  le: A ≤ B,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  top: Top,  subtype_rel: A ⊆r B,  so_lambda: λ2x y.t[x; y],  band_mon: <𝔹,∧b>,  grp_car: |g|,  pi1: fst(t),  so_apply: x[s1;s2],  guard: {T},  uiff: uiff(P;Q),  grp_op: *,  pi2: snd(t),  infix_ap: x f y,  abmonoid: AbMon,  mon: Mon,  b2i: b2i(b),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  ifthenelse: if b then t else f fi ,  bfalse: ff,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  squash: ↓T,  true: True,  rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced :  list_induction,  set_car_wf,  assert_wf,  sd_ordered_wf,  all_wf,  le_wf,  count_wf,  list_wf,  le_weakening2,  nil_wf,  length_nil,  non_neg_length,  count_bounds,  length_of_nil_lemma,  decidable__lt,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformless_wf,  itermVar_wf,  itermConstant_wf,  intformle_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_less_lemma,  int_term_value_var_lemma,  count_nil_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_wf,  assert_functionality_wrt_uiff,  cons_wf,  mon_htfor_wf,  band_mon_wf,  ball_wf,  set_blt_wf,  bool_wf,  sd_ordered_char,  mon_htfor_cons_lemma,  assert_of_band,  grp_car_wf,  abmonoid_wf,  qoset_wf,  count_cons_lemma,  set_eq_wf,  uiff_transitivity,  equal-wf-T-base,  equal_wf,  eqtt_to_assert,  assert_of_dset_eq,  iff_transitivity,  bnot_wf,  not_wf,  iff_weakening_uiff,  eqff_to_assert,  assert_of_bnot,  squash_wf,  true_wf,  add_functionality_wrt_eq,  dset_wf,  iff_weakening_equal,  before_all_imp_count_zero,  decidable__le,  itermAdd_wf,  intformeq_wf,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  zero-add
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  thin,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  setElimination,  rename,  because_Cache,  hypothesis,  sqequalRule,  lambdaEquality,  functionEquality,  dependent_functionElimination,  hypothesisEquality,  natural_numberEquality,  independent_functionElimination,  independent_isectElimination,  voidEquality,  productElimination,  unionElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  independent_pairFormation,  equalityTransitivity,  equalitySymmetry,  computeAll,  applyEquality,  equalityElimination,  baseClosed,  impliesFunctionality,  imageElimination,  imageMemberEquality,  universeEquality,  addEquality

Latex:
\mforall{}s:QOSet.  \mforall{}as:|s|  List.    ((\muparrow{}sd\_ordered(as))  {}\mRightarrow{}  (\mforall{}c:|s|.  ((c  \#\mmember{}  as)  \mleq{}  1)))



Date html generated: 2017_10_01-AM-10_01_36
Last ObjectModification: 2017_03_03-PM-01_04_04

Theory : polynom_2


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