Nuprl Lemma : mtb-seq-mtb-point-cantor-mconverges-to

∀[X:Type]. ∀d:metric(X). ∀mtb:m-TB(X;d). ∀x:X.  lim n→∞.mtb-seq(mtb;mtb-point-cantor(mtb;x)) n = x


Proof




Definitions occuring in Statement :  mtb-point-cantor: mtb-point-cantor(mtb;p),  mtb-seq: mtb-seq(mtb;s),  m-TB: m-TB(X;d),  mconverges-to: lim n→∞.x[n] = y,  metric: metric(X),  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  apply: f a,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  m-TB: m-TB(X;d),  mtb-point-cantor: mtb-point-cantor(mtb;p),  mtb-seq: mtb-seq(mtb;s),  spreadn: spread3,  mconverges-to: lim n→∞.x[n] = y,  sq_exists: ∃x:A [B[x]],  member: t ∈ T,  subtype_rel: A ⊆r B,  implies: P ⇒ Q,  nat_plus: ℕ+,  nat: ℕ,  uimplies: b supposing a,  rneq: x ≠ y,  guard: {T},  or: P ∨ Q,  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  ge: i ≥ j ,  decidable: Dec(P),  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  prop: ℙ,  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q),  rge: x ≥ y
Lemmas referenced :  nat_plus_subtype_nat,  istype-le,  istype-nat,  rleq_wf,  mdist_wf,  rdiv_wf,  int-to-real_wf,  rless-int,  nat_properties,  nat_plus_properties,  decidable__lt,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformless_wf,  itermConstant_wf,  itermVar_wf,  istype-int,  int_formula_prop_and_lemma,  istype-void,  int_formula_prop_not_lemma,  int_formula_prop_less_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_wf,  rless_wf,  nat_plus_wf,  m-TB_wf,  metric_wf,  istype-universe,  itermAdd_wf,  intformle_wf,  int_term_value_add_lemma,  int_formula_prop_le_lemma,  rleq-int-fractions,  istype-less_than,  decidable__le,  itermMultiply_wf,  int_term_value_mul_lemma,  rleq_functionality,  mdist-symm,  req_weakening,  rleq_functionality_wrt_implies,  rleq_weakening_equal
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  lambdaFormation_alt,  sqequalHypSubstitution,  setElimination,  thin,  rename,  productElimination,  sqequalRule,  dependent_set_memberFormation_alt,  cut,  hypothesisEquality,  applyEquality,  introduction,  extract_by_obid,  hypothesis,  isectElimination,  functionIsType,  because_Cache,  universeIsType,  closedConclusion,  natural_numberEquality,  independent_isectElimination,  inrFormation_alt,  dependent_functionElimination,  independent_functionElimination,  unionElimination,  approximateComputation,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  isect_memberEquality_alt,  voidElimination,  independent_pairFormation,  instantiate,  universeEquality,  addEquality,  dependent_set_memberEquality_alt,  multiplyEquality,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}[X:Type].  \mforall{}d:metric(X).  \mforall{}mtb:m-TB(X;d).  \mforall{}x:X.    lim  n\mrightarrow{}\minfty{}.mtb-seq(mtb;mtb-point-cantor(mtb;x))  n  =  x



Date html generated: 2019_10_30-AM-06_57_43
Last ObjectModification: 2019_10_03-PM-03_45_26

Theory : reals


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