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: b int-to-real: r(n) real: all: x:A. B[x] implies:  Q and: P ∧ Q set: {x:A| B[x]}  apply: a natural_number: $n
Definitions unfolded in proof :  all: x:A. B[x] implies:  Q partition-sum: S(f;p) member: t ∈ T subtype_rel: A ⊆B uall: [x:A]. B[x] uimplies: supposing a full-partition: full-partition(I;p) top: Top partition: partition(I) ge: i ≥  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: 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 then else fi  null: null(as) cons: [a b] bfalse: ff less_than': less_than'(a;b) select: L[n] last: last(L) subtract: 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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