Nuprl Lemma : fine-iter-subdiv

∀k:ℕ
  ∀[n:ℕ]
    ∀K:{K:n-dim-complex| 0 < ||K||} . ∀M:ℕ+.
      ∃j:ℕ
       ∀[x,y:ℝ^k].
         mdist(rn-prod-metric(k);x;y) ≤ (r1/r(M)) 
         supposing ¬¬(∃c:ℚCube(k). ((c ∈ K'^(j)) ∧ in-rat-cube(k;y;c) ∧ in-rat-cube(k;x;c)))


Proof




Definitions occuring in Statement :  in-rat-cube: in-rat-cube(k;p;c),  rn-prod-metric: rn-prod-metric(n),  real-vec: ℝ^n,  mdist: mdist(d;x;y),  rdiv: (x/y),  rleq: x ≤ y,  int-to-real: r(n),  l_member: (x ∈ l),  length: ||as||,  nat_plus: ℕ+,  nat: ℕ,  less_than: a < b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  not: ¬A,  and: P ∧ Q,  set: {x:A| B[x]} ,  natural_number: $n,  rational-cube-complex: n-dim-complex,  rational-cube: ℚCube(k)
Definitions unfolded in proof :  req_int_terms: t1 ≡ t2,  rdiv: (x/y),  uiff: uiff(P;Q),  sq_type: SQType(T),  nequal: a ≠ b ∈ T ,  int_nzero: ℤ-o,  so_apply: x[s],  so_lambda: λ2x.t[x],  true: True,  less_than': less_than'(a;b),  squash: ↓T,  less_than: a < b,  rge: x ≥ y,  rev_uimplies: rev_uimplies(P;Q),  top: Top,  satisfiable_int_formula: satisfiable_int_formula(fmla),  decidable: Dec(P),  ge: i ≥ j ,  nat: ℕ,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  or: P ∨ Q,  guard: {T},  rneq: x ≠ y,  nat_plus: ℕ+,  false: False,  prop: ℙ,  rational-cube-complex: n-dim-complex,  subtype_rel: A ⊆r B,  implies: P ⇒ Q,  not: ¬A,  cand: A c∧ B,  exists: ∃x:A. B[x],  and: P ∧ Q,  le: A ≤ B,  rnonneg: rnonneg(x),  rleq: x ≤ y,  uimplies: b supposing a,  member: t ∈ T,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x]
Lemmas referenced :  real_term_value_var_lemma,  real_term_value_const_lemma,  real_term_value_mul_lemma,  real_term_value_sub_lemma,  real_polynomial_null,  req-iff-rsub-is-0,  rmul-rinv3,  req_transitivity,  rleq_functionality,  itermSubtract_wf,  rinv_wf2,  rmul_preserves_rleq,  int_term_value_mul_lemma,  itermMultiply_wf,  int_formula_prop_le_lemma,  intformle_wf,  decidable__le,  exp_wf_nat_plus,  rleq-int-fractions,  nequal_wf,  subtype_base_sq,  exp_wf3,  int_nzero-rational,  int-subtype-rationals,  equal_functionality_wrt_subtype_rel2,  int_subtype_base,  le_wf,  set_subtype_base,  rationals_wf,  equal-wf-base,  not_functionality_wrt_implies,  rneq-int,  istype-le,  log-property,  log_wf,  r-archimedean,  rleq_weakening_equal,  rleq_functionality_wrt_implies,  implies_weakening_uimplies,  rat-complex-diameter-bound,  exp-positive-stronger,  exp_wf2,  rmul_wf,  rat-complex-diameter_wf,  rat-complex-iter-subdiv-pos-length,  istype-nat,  length_wf,  istype-less_than,  rational-cube-complex_wf,  nat_plus_wf,  rless_wf,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_less_lemma,  int_formula_prop_not_lemma,  int_formula_prop_and_lemma,  istype-int,  itermVar_wf,  itermConstant_wf,  intformless_wf,  intformnot_wf,  intformand_wf,  full-omega-unsat,  decidable__lt,  nat_plus_properties,  nat_properties,  rless-int,  int-to-real_wf,  rdiv_wf,  rn-prod-metric_wf,  mdist_wf,  rleq_wf,  istype-void,  in-rat-cube_wf,  Error :rat-complex-iter-subdiv_wf,  l_member_wf,  rational-cube_wf,  real-vec_wf,  le_witness_for_triv,  rat-complex-iter-subdiv-diameter
Rules used in proof :  sqequalBase,  cumulativity,  instantiate,  intEquality,  baseApply,  multiplyEquality,  baseClosed,  imageMemberEquality,  equalityIstype,  dependent_set_memberEquality_alt,  setIsType,  independent_pairFormation,  voidElimination,  int_eqEquality,  approximateComputation,  unionElimination,  independent_functionElimination,  inrFormation_alt,  natural_numberEquality,  closedConclusion,  applyEquality,  rename,  setElimination,  productIsType,  functionIsType,  because_Cache,  universeIsType,  isectIsType,  dependent_pairFormation_alt,  isectIsTypeImplies,  inhabitedIsType,  functionIsTypeImplies,  independent_isectElimination,  equalitySymmetry,  equalityTransitivity,  productElimination,  dependent_functionElimination,  lambdaEquality_alt,  isect_memberEquality_alt,  sqequalRule,  isect_memberFormation_alt,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  hypothesis,  lambdaFormation_alt,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution,  extract_by_obid,  introduction,  cut

Latex:
\mforall{}k:\mBbbN{}
    \mforall{}[n:\mBbbN{}]
        \mforall{}K:\{K:n-dim-complex|  0  <  ||K||\}  .  \mforall{}M:\mBbbN{}\msupplus{}.
            \mexists{}j:\mBbbN{}
              \mforall{}[x,y:\mBbbR{}\^{}k].
                  mdist(rn-prod-metric(k);x;y)  \mleq{}  (r1/r(M)) 
                  supposing  \mneg{}\mneg{}(\mexists{}c:\mBbbQ{}Cube(k).  ((c  \mmember{}  K'\^{}(j))  \mwedge{}  in-rat-cube(k;y;c)  \mwedge{}  in-rat-cube(k;x;c)))



Date html generated: 2019_11_04-PM-04_44_04
Last ObjectModification: 2019_10_31-PM-03_37_20

Theory : real!vectors


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