Nuprl Lemma : Kripke2b

∀a:ℕ ⟶ ℕ. (is-absolutely-free{i:l}(a) ⇒ init0(a) ⇒ increasing-sequence(a) ⇒ (¬(∀m:ℕ. ∃n:ℕ. ((a n) ≥ m ))))


Proof




Definitions occuring in Statement :  is-absolutely-free: is-absolutely-free{i:l}(f),  init0: init0(a),  increasing-sequence: increasing-sequence(a),  nat: ℕ,  ge: i ≥ j ,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  not: ¬A,  implies: P ⇒ Q,  apply: f a,  function: x:A ⟶ B[x]
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  not: ¬A,  false: False,  exists: ∃x:A. B[x],  member: t ∈ T,  uall: ∀[x:A]. B[x],  subtype_rel: A ⊆r B,  nat: ℕ,  ge: i ≥ j ,  prop: ℙ,  is-absolutely-free: is-absolutely-free{i:l}(f),  uimplies: b supposing a,  le: A ≤ B,  and: P ∧ Q,  less_than': less_than'(a;b),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  top: Top,  guard: {T},  so_lambda: λ2x.t[x],  so_apply: x[s],  sq_type: SQType(T),  zero-seq: 0s,  int_seg: {i..j-},  lelt: i ≤ j < k,  kripke2b-baire-seq: kripke2b-baire-seq(a;x;F),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  bnot: ¬bb,  assert: ↑b,  nequal: a ≠ b ∈ T ,  true: True,  init0: init0(a),  cantor2baire-aux: cantor2baire-aux(a;n),  cantor2baire: cantor2baire(a),  change-from1: change-from1(a),  pi1: fst(t),  label: ...$L... t,  squash: ↓T,  min-inc-seq: min-inc-seq(a;n;k),  baire_eq_from: baire_eq_from(a;k)
Lemmas referenced :  istype-nat,  ge_wf,  increasing-sequence_wf,  init0_wf,  is-absolutely-free_wf,  nat_wf,  not-quotient-true,  equal_wf,  int_seg_wf,  subtype_rel_function,  int_seg_subtype_nat,  istype-false,  subtype_rel_self,  add_nat_wf,  decidable__le,  full-omega-unsat,  intformnot_wf,  intformle_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  istype-le,  nat_properties,  intformand_wf,  itermVar_wf,  itermAdd_wf,  intformeq_wf,  int_formula_prop_and_lemma,  int_term_value_var_lemma,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  false_wf,  strong-continuity2-implies-uniform-continuity2-nat,  kripke2b-baire-seq_wf,  decidable__lt,  intformless_wf,  int_formula_prop_less_lemma,  decidable__equal_nat,  subtype_base_sq,  set_subtype_base,  le_wf,  int_subtype_base,  init0-implies-eq-upto1-zero-seq,  zero-seq_wf,  baire2cantor_wf,  change-from1_wf,  int_seg_properties,  eq-finite-seqs_wf,  cantor2baire_wf,  eqtt_to_assert,  eqff_to_assert,  bool_cases_sqequal,  bool_wf,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  assert_of_eq_int,  eq_int_wf,  primrec1_lemma,  subtype_rel_wf,  istype-less_than,  decidable__equal_int,  eq-finite-seqs-iff-eq-upto,  min-inc-seq_wf,  iff_weakening_equal,  squash_wf,  true_wf,  istype-universe,  baire2cantor2baire,  pi1_wf,  min-increasing-sequence_wf,  min-increasing-sequence-prop2,  baire-diff-from_wf,  implies-eq-upto-baire2cantor,  eq-upto-baire-diff-from,  increasing-baire-diff-from,  init0-baire-diff-from,  baire-diff-from-diff,  baire_eq_from_wf,  eq-upto-baire-eq-from,  less_than_wf,  assert_wf,  iff_weakening_uiff,  assert_of_lt_int,  lt_int_wf,  increasing-sequence-prop1
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :lambdaFormation_alt,  cut,  thin,  because_Cache,  hypothesis,  sqequalHypSubstitution,  independent_functionElimination,  voidElimination,  sqequalRule,  Error :functionIsType,  introduction,  extract_by_obid,  Error :productIsType,  Error :universeIsType,  isectElimination,  applyEquality,  hypothesisEquality,  Error :lambdaEquality_alt,  setElimination,  rename,  Error :inhabitedIsType,  dependent_functionElimination,  functionEquality,  productEquality,  natural_numberEquality,  independent_isectElimination,  independent_pairFormation,  productElimination,  Error :equalityIstype,  Error :dependent_set_memberEquality_alt,  addEquality,  unionElimination,  approximateComputation,  Error :dependent_pairFormation_alt,  Error :isect_memberEquality_alt,  equalityTransitivity,  equalitySymmetry,  applyLambdaEquality,  pointwiseFunctionality,  promote_hyp,  int_eqEquality,  Error :functionExtensionality_alt,  Error :setIsType,  instantiate,  cumulativity,  intEquality,  closedConclusion,  equalityElimination,  int_eqReduceFalseSq,  int_eqReduceTrueSq,  hyp_replacement,  baseApply,  sqequalBase,  baseClosed,  functionExtensionality,  setEquality,  imageElimination,  imageMemberEquality,  universeEquality

Latex:
\mforall{}a:\mBbbN{}  {}\mrightarrow{}  \mBbbN{}
    (is-absolutely-free\{i:l\}(a)
    {}\mRightarrow{}  init0(a)
    {}\mRightarrow{}  increasing-sequence(a)
    {}\mRightarrow{}  (\mneg{}(\mforall{}m:\mBbbN{}.  \mexists{}n:\mBbbN{}.  ((a  n)  \mgeq{}  m  ))))



Date html generated: 2019_06_20-PM-03_07_58
Last ObjectModification: 2018_12_06-PM-11_57_04

Theory : continuity


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