Nuprl Lemma : partition-sum-bound-no-mc

∀I:Interval
  (icompact(I)
  ⇒ (∀f:I ⟶ℝ. ∀b:{b:ℝ| (r0 ≤ b) ∧ (∀x:ℝ. ((x ∈ I) ⇒ (|f x| ≤ b)))} . ∀p:partition(I).
      ∀y:partition-choice(full-partition(I;p)).
        (|S(f;full-partition(I;p))| ≤ (b * |I|))))


Proof




Definitions occuring in Statement :  partition-sum: S(f;p),  partition-choice: partition-choice(p),  full-partition: full-partition(I;p),  partition: partition(I),  icompact: icompact(I),  rfun: I ⟶ℝ,  i-member: r ∈ I,  i-length: |I|,  interval: Interval,  rleq: x ≤ y,  rabs: |x|,  rmul: a * b,  int-to-real: r(n),  real: ℝ,  all: ∀x:A. B[x],  implies: P ⇒ Q,  and: P ∧ Q,  set: {x:A| B[x]} ,  apply: f a,  natural_number: $n
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  partition-sum: S(f;p),  member: t ∈ T,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x],  uimplies: b supposing a,  full-partition: full-partition(I;p),  top: Top,  partition: partition(I),  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  false: False,  le: A ≤ B,  and: P ∧ Q,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  prop: ℙ,  rfun: I ⟶ℝ,  squash: ↓T,  rleq: x ≤ y,  rnonneg: rnonneg(x),  so_lambda: λ2x.t[x],  int_seg: {i..j-},  lelt: i ≤ j < k,  uiff: uiff(P;Q),  less_than: a < b,  so_apply: x[s],  icompact: icompact(I),  rev_uimplies: rev_uimplies(P;Q),  rge: x ≥ y,  guard: {T},  pointwise-rleq: x[k] ≤ y[k] for k ∈ [n,m],  frs-non-dec: frs-non-dec(L),  req_int_terms: t1 ≡ t2,  sq_stable: SqStable(P),  assert: ↑b,  ifthenelse: if b then t else f fi ,  null: null(as),  cons: [a / b],  bfalse: ff,  less_than': less_than'(a;b),  select: L[n],  last: last(L),  subtract: n - m,  i-length: |I|
Lemmas referenced :  partition-choice-indep-funtype,  length_of_cons_lemma,  istype-void,  length_nil,  non_neg_length,  nil_wf,  length_cons,  right-endpoint_wf,  real_wf,  cons_wf,  append_wf,  length_append,  subtype_rel_list,  top_wf,  length-append,  length_of_nil_lemma,  decidable__equal_int,  length_wf,  full-omega-unsat,  intformnot_wf,  intformeq_wf,  itermAdd_wf,  itermVar_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  partition-choice_wf,  full-partition_wf,  partition_wf,  rleq_wf,  int-to-real_wf,  i-member_wf,  rabs_wf,  rfun_wf,  icompact_wf,  interval_wf,  le_witness_for_triv,  rsum_wf,  subtract_wf,  rmul_wf,  decidable__lt,  add-is-int-iff,  intformand_wf,  intformless_wf,  itermSubtract_wf,  int_formula_prop_and_lemma,  int_formula_prop_less_lemma,  int_term_value_subtract_lemma,  false_wf,  istype-le,  istype-less_than,  rsub_wf,  select_wf,  int_seg_properties,  decidable__le,  intformle_wf,  int_formula_prop_le_lemma,  int_seg_wf,  i-length_wf,  rleq_functionality_wrt_implies,  rabs-rsum,  rleq_weakening_equal,  rsum_functionality_wrt_rleq,  rleq_functionality,  rabs-rmul,  req_weakening,  req_functionality,  rabs-of-nonneg,  full-partition-non-dec,  radd-preserves-rleq,  radd_wf,  req-iff-rsub-is-0,  real_polynomial_null,  real_term_value_sub_lemma,  real_term_value_add_lemma,  real_term_value_var_lemma,  real_term_value_const_lemma,  sq_stable__rleq,  sq_stable__i-member,  req_wf,  rmul_preserves_rleq2,  zero-rleq-rabs,  rmul_functionality,  req_inversion,  rsum_linearity2,  last_wf,  istype-assert,  null_wf3,  istype-false,  frs-non-dec-sum,  last-cons,  null_append,  null_cons_lemma,  band-bfalse,  last_append
Rules used in proof :  cut,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation_alt,  hypothesisEquality,  applyEquality,  thin,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  independent_isectElimination,  hypothesis,  sqequalRule,  inhabitedIsType,  dependent_functionElimination,  isect_memberEquality_alt,  voidElimination,  voidEquality,  because_Cache,  setElimination,  rename,  lambdaEquality_alt,  universeIsType,  addEquality,  natural_numberEquality,  unionElimination,  productElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  int_eqEquality,  equalityIstype,  equalityTransitivity,  equalitySymmetry,  setIsType,  productIsType,  functionIsType,  dependent_set_memberEquality_alt,  imageMemberEquality,  baseClosed,  imageElimination,  functionIsTypeImplies,  closedConclusion,  independent_pairFormation,  pointwiseFunctionality,  promote_hyp,  baseApply

Latex:
\mforall{}I:Interval
    (icompact(I)
    {}\mRightarrow{}  (\mforall{}f:I  {}\mrightarrow{}\mBbbR{}.  \mforall{}b:\{b:\mBbbR{}|  (r0  \mleq{}  b)  \mwedge{}  (\mforall{}x:\mBbbR{}.  ((x  \mmember{}  I)  {}\mRightarrow{}  (|f  x|  \mleq{}  b)))\}  .  \mforall{}p:partition(I).
            \mforall{}y:partition-choice(full-partition(I;p)).
                (|S(f;full-partition(I;p))|  \mleq{}  (b  *  |I|))))



Date html generated: 2019_10_30-AM-11_37_55
Last ObjectModification: 2019_01_27-PM-05_51_45

Theory : reals_2


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