Nuprl Lemma : partition-sum-radd

∀I:Interval
  (icompact(I)
  ⇒ (∀f,g:I ⟶ℝ. ∀p:partition(I). ∀y:partition-choice(full-partition(I;p)).
        (S(λx.((f x) + (g x));full-partition(I;p)) = (S(f;full-partition(I;p)) + S(g;full-partition(I;p))))))


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,  interval: Interval,  req: x = y,  radd: a + b,  all: ∀x:A. B[x],  implies: P ⇒ Q,  apply: f a,  lambda: λx.A[x]
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,  prop: ℙ,  partition: partition(I),  full-partition: full-partition(I;p),  top: Top,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  le: A ≤ B,  and: P ∧ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  so_lambda: λ2x.t[x],  rfun: I ⟶ℝ,  int_seg: {i..j-},  lelt: i ≤ j < k,  uiff: uiff(P;Q),  guard: {T},  so_apply: x[s],  icompact: icompact(I),  rev_uimplies: rev_uimplies(P;Q),  less_than: a < b,  pointwise-req: x[k] = y[k] for k ∈ [n,m]
Lemmas referenced :  partition-choice-indep-funtype,  int_seg_wf,  length_wf,  real_wf,  i-member_wf,  equal_wf,  partition-choice_wf,  full-partition_wf,  partition_wf,  rfun_wf,  icompact_wf,  interval_wf,  length_of_cons_lemma,  length_nil,  non_neg_length,  nil_wf,  length_cons,  right-endpoint_wf,  cons_wf,  append_wf,  length_append,  subtype_rel_list,  top_wf,  length-append,  length_of_nil_lemma,  decidable__equal_int,  satisfiable-full-omega-tt,  intformnot_wf,  intformeq_wf,  itermAdd_wf,  itermVar_wf,  itermConstant_wf,  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,  rsum_wf,  subtract_wf,  rmul_wf,  radd_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,  lelt_wf,  rsub_wf,  select_wf,  int_seg_properties,  decidable__le,  intformle_wf,  int_formula_prop_le_lemma,  req_functionality,  req_weakening,  req_inversion,  rsum_linearity1,  rsum_functionality,  rmul-distrib2,  le_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  sqequalRule,  cut,  hypothesisEquality,  applyEquality,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  independent_isectElimination,  hypothesis,  functionEquality,  natural_numberEquality,  addEquality,  setElimination,  rename,  setEquality,  equalityTransitivity,  equalitySymmetry,  dependent_functionElimination,  independent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  because_Cache,  lambdaEquality,  unionElimination,  productElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  computeAll,  functionExtensionality,  dependent_set_memberEquality,  independent_pairFormation,  pointwiseFunctionality,  promote_hyp,  baseApply,  closedConclusion,  baseClosed

Latex:
\mforall{}I:Interval
    (icompact(I)
    {}\mRightarrow{}  (\mforall{}f,g:I  {}\mrightarrow{}\mBbbR{}.  \mforall{}p:partition(I).  \mforall{}y:partition-choice(full-partition(I;p)).
                (S(\mlambda{}x.((f  x)  +  (g  x));full-partition(I;p))
                =  (S(f;full-partition(I;p))  +  S(g;full-partition(I;p))))))



Date html generated: 2016_10_26-PM-00_01_06
Last ObjectModification: 2016_09_12-PM-05_37_33

Theory : reals_2


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