Nuprl Lemma : partition-refinement-sum

∀I:Interval
  (icompact(I)
  ⇒ (∀f:I ⟶ℝ. ∀mc:f[x] continuous for x ∈ I. ∀q:partition(I). ∀n:ℕ+.
        ((partition-mesh(I;q) ≤ (mc 1 n))
        ⇒ frs-increasing(q)
        ⇒ (∀p:partition(I). ∀x:partition-choice(full-partition(I;p)). ∀y:partition-choice(full-partition(I;q)).
              (p refines q
              ⇒ (|partition-sum(f;y;full-partition(I;q)) - partition-sum(f;x;full-partition(I;p))| ≤ ((r1/r(n))
                 * |I|)))))))


Proof




Definitions occuring in Statement :  continuous: f[x] continuous for x ∈ I,  partition-refines: P refines Q,  partition-sum: partition-sum(f;x;p),  partition-choice: partition-choice(p),  partition-mesh: partition-mesh(I;p),  full-partition: full-partition(I;p),  partition: partition(I),  frs-increasing: frs-increasing(p),  icompact: icompact(I),  rfun: I ⟶ℝ,  i-length: |I|,  interval: Interval,  rdiv: (x/y),  rleq: x ≤ y,  rabs: |x|,  rsub: x - y,  rmul: a * b,  int-to-real: r(n),  nat_plus: ℕ+,  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  apply: f a,  natural_number: $n
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  member: t ∈ T,  continuous: f[x] continuous for x ∈ I,  squash: ↓T,  uall: ∀[x:A]. B[x],  prop: ℙ,  true: True,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  guard: {T},  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  rfun: I ⟶ℝ,  nat_plus: ℕ+,  rneq: x ≠ y,  or: P ∨ Q,  rless: x < y,  sq_exists: ∃x:{A| B[x]},  decidable: Dec(P),  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  top: Top,  cand: A c∧ B,  label: ...$L... t,  nat: ℕ,  ge: i ≥ j ,  rleq: x ≤ y,  rnonneg: rnonneg(x),  le: A ≤ B,  int_seg: {i..j-},  lelt: i ≤ j < k,  partition: partition(I),  less_than: a < b,  less_than': less_than'(a;b),  subinterval: I ⊆ J ,  icompact: icompact(I),  cons: [a / b],  full-partition: full-partition(I;p),  partition-choice: partition-choice(p),  append: as @ bs,  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  subtract: n - m,  select: L[n],  rbetween: x≤y≤z,  sq_stable: SqStable(P),  partition-sum: partition-sum(f;x;p),  sq_type: SQType(T),  i-length: |I|,  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q),  rge: x ≥ y,  pointwise-req: x[k] = y[k] for k ∈ [n,m],  frs-non-dec: frs-non-dec(L),  rsub: x - y,  pointwise-rleq: x[k] ≤ y[k] for k ∈ [n,m],  int_upper: {i...},  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  ifthenelse: if b then t else f fi ,  bfalse: ff,  bnot: ¬bb,  assert: ↑b,  l_all: (∀x∈L.P[x]),  frs-increasing: frs-increasing(p),  nil: [],  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  left-endpoint: left-endpoint(I),  endpoints: endpoints(I),  rccint: [l, u],  outl: outl(x),  pi1: fst(t),  right-endpoint: right-endpoint(I),  pi2: snd(t)
Lemmas referenced :  rmul-distrib,  radd_functionality_wrt_rleq,  r-triangle-inequality,  rminus-as-rmul,  rminus-radd,  radd-assoc,  subtype_rel-equal,  req_transitivity,  partition-sum_functionality,  select-cons-hd,  rsum-shift,  rsum-split,  req_wf,  le-add-cancel,  add-zero,  add_functionality_wrt_le,  minus-one-mul-top,  minus-one-mul,  minus-add,  condition-implies-le,  not-lt-2,  cons_neq_nil,  equal-wf-base,  rsum-split-shift,  int_seg_cases,  subtype_rel_self,  left_endpoint_rccint_lemma,  list_ind_cons_lemma,  subtype_rel_dep_function,  partition-choice-subtype,  is-partition-choice_wf,  int_seg_subtype_nat,  right_endpoint_rccint_lemma,  select0,  partition-refines-cons,  base_wf,  stuck-spread,  le_weakening2,  sq_stable__less_than,  add-subtract-cancel,  list_wf,  and_wf,  zero-add,  add-commutes,  add-swap,  add-associates,  add-member-int_seg2,  rcc-subinterval,  rccint-icompact,  icompact-endpoints,  partition-point-member,  partition-split-cons-mesh,  assert-bnot,  bool_subtype_base,  bool_cases_sqequal,  eqff_to_assert,  assert_of_lt_int,  eqtt_to_assert,  bool_wf,  lt_int_wf,  select-append,  select-cons-tl,  rsum-telescopes,  length-nil,  length-singleton,  add_functionality_wrt_eq,  add_nat_plus,  length-append,  top_wf,  subtype_rel_list,  length_append,  length_cons,  non_neg_length,  length_nil,  cons_wf,  append_wf,  add_nat_wf,  rsum_linearity2,  rleq_weakening,  rleq_transitivity,  rmul_functionality_wrt_rleq2,  zero-rleq-rabs,  i-member-diff-bound,  partition-mesh-nil,  sq_stable__i-member,  rccint_wf,  rsum_functionality_wrt_rleq,  radd-zero-both,  radd-rminus-both,  radd_functionality,  radd-ac,  radd_comm,  uiff_transitivity,  rminus_wf,  radd_wf,  radd-preserves-rleq,  full-partition-non-dec,  rmul_functionality,  rabs-rmul,  rmul-rsub-distrib,  rabs-of-nonneg,  equal_wf,  set_wf,  rsum_functionality,  rleq_weakening_equal,  rabs-rsum,  rleq_functionality_wrt_implies,  rsum_linearity-rsub,  partition-choice-member,  req_inversion,  subtract-is-int-iff,  add-is-int-iff,  select_wf,  constant-partition-sum,  rsub_functionality,  rabs_functionality,  rleq_functionality,  rsum_wf,  rsum-single,  req_functionality,  req_weakening,  int_subtype_base,  set_subtype_base,  subtype_base_sq,  member_wf,  partitions_wf,  nil_wf,  sq_stable__rleq,  right-endpoint_wf,  left-endpoint_wf,  i-member-compact,  length_of_nil_lemma,  member_rccint_lemma,  list_ind_nil_lemma,  length_of_cons_lemma,  product_subtype_list,  list-cases,  length_wf_nat,  nat_wf,  int_term_value_add_lemma,  itermAdd_wf,  int_formula_prop_eq_lemma,  intformeq_wf,  lelt_wf,  false_wf,  int_seg_subtype,  decidable__equal_int,  int_term_value_subtract_lemma,  itermSubtract_wf,  subtract_wf,  decidable__le,  rfun_subtype,  int_seg_wf,  subinterval_wf,  length_wf,  le_wf,  partition-mesh_wf,  frs-increasing_wf,  partition_wf,  full-partition_wf,  partition-choice_wf,  partition-refines_wf,  less_than_irreflexivity,  less_than_transitivity1,  partition-sum_wf,  i-length_wf,  int_seg_properties,  rmul_wf,  less_than'_wf,  less_than_wf,  ge_wf,  int_formula_prop_le_lemma,  intformle_wf,  nat_properties,  interval_wf,  rfun_wf,  continuous_wf,  nat_plus_wf,  subtype_rel_sets,  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,  itermVar_wf,  itermConstant_wf,  intformless_wf,  intformnot_wf,  intformand_wf,  satisfiable-full-omega-tt,  decidable__lt,  nat_plus_properties,  rless-int,  int-to-real_wf,  rdiv_wf,  real_wf,  rsub_wf,  rabs_wf,  rleq_wf,  i-member_wf,  sq_exists_wf,  all_wf,  i-approx_wf,  iff_weakening_equal,  i-approx-of-compact,  true_wf,  squash_wf,  icompact_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  sqequalHypSubstitution,  applyEquality,  hypothesisEquality,  dependent_set_memberEquality,  thin,  lambdaEquality,  imageElimination,  lemma_by_obid,  isectElimination,  because_Cache,  hypothesis,  dependent_functionElimination,  independent_functionElimination,  natural_numberEquality,  sqequalRule,  imageMemberEquality,  baseClosed,  equalityTransitivity,  equalitySymmetry,  independent_isectElimination,  productElimination,  productEquality,  functionEquality,  universeEquality,  setElimination,  rename,  inrFormation,  unionElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  setEquality,  introduction,  intWeakElimination,  independent_pairEquality,  minusEquality,  axiomEquality,  hypothesis_subsumption,  addEquality,  promote_hyp,  equalityElimination,  substitution,  instantiate,  equalityEquality,  pointwiseFunctionality,  baseApply,  closedConclusion,  inlFormation,  cumulativity

Latex:
\mforall{}I:Interval
    (icompact(I)
    {}\mRightarrow{}  (\mforall{}f:I  {}\mrightarrow{}\mBbbR{}.  \mforall{}mc:f[x]  continuous  for  x  \mmember{}  I.  \mforall{}q:partition(I).  \mforall{}n:\mBbbN{}\msupplus{}.
                ((partition-mesh(I;q)  \mleq{}  (mc  1  n))
                {}\mRightarrow{}  frs-increasing(q)
                {}\mRightarrow{}  (\mforall{}p:partition(I).  \mforall{}x:partition-choice(full-partition(I;p)).
                        \mforall{}y:partition-choice(full-partition(I;q)).
                            (p  refines  q
                            {}\mRightarrow{}  (|partition-sum(f;y;full-partition(I;q)) 
                                  -  partition-sum(f;x;full-partition(I;p))|  \mleq{}  ((r1/r(n))  *  |I|)))))))



Date html generated: 2016_05_18-AM-10_38_53
Last ObjectModification: 2016_01_17-AM-00_58_14

Theory : reals


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