Nuprl Lemma : integral-int-rdiv

∀[a,b:ℝ]. ∀[f:{f:[rmin(a;b), rmax(a;b)] ⟶ℝ| ifun(f;[rmin(a;b), rmax(a;b)])} ]. ∀[c:ℤ-o].
  (a_∫-b (f[x])/c dx = (a_∫-b f[x] dx)/c)


Proof




Definitions occuring in Statement :  integral: a_∫-b f[x] dx,  ifun: ifun(f;I),  rfun: I ⟶ℝ,  rccint: [l, u],  rmin: rmin(x;y),  rmax: rmax(x;y),  int-rdiv: (a)/k1,  req: x = y,  real: ℝ,  int_nzero: ℤ-o,  uall: ∀[x:A]. B[x],  so_apply: x[s],  set: {x:A| B[x]} 
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  int_nzero: ℤ-o,  implies: P ⇒ Q,  all: ∀x:A. B[x],  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  not: ¬A,  nequal: a ≠ b ∈ T ,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  prop: ℙ,  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s],  rfun: I ⟶ℝ,  ifun: ifun(f;I),  real-fun: real-fun(f;a;b),  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q),  squash: ↓T,  label: ...$L... t,  true: True,  guard: {T},  rdiv: (x/y)
Lemmas referenced :  integral-rmul-const,  rinv_wf2,  int-to-real_wf,  rneq-int,  int_nzero_properties,  full-omega-unsat,  intformand_wf,  intformeq_wf,  itermVar_wf,  itermConstant_wf,  intformnot_wf,  istype-int,  int_formula_prop_and_lemma,  istype-void,  int_formula_prop_eq_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_not_lemma,  int_formula_prop_wf,  set_subtype_base,  nequal_wf,  int_subtype_base,  req_witness,  int-rdiv_wf,  i-member_wf,  rccint_wf,  rmin_wf,  rmax_wf,  left_endpoint_rccint_lemma,  right_endpoint_rccint_lemma,  req_functionality,  int-rdiv_functionality,  req_weakening,  req_wf,  ifun_wf,  rccint-icompact,  rmin-rleq-rmax,  integral_wf,  squash_wf,  icompact_wf,  rfun_wf,  interval_wf,  eta_conv,  real_wf,  equal_wf,  true_wf,  istype-universe,  iff_weakening_equal,  subtype_rel_self,  int_nzero_wf,  rdiv_wf,  rdiv_functionality,  integral_functionality,  int-rdiv-req,  member_rccint_lemma,  rleq_wf,  rmul_wf,  rmul_functionality,  rmul_comm
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  setElimination,  rename,  because_Cache,  hypothesis,  independent_functionElimination,  dependent_functionElimination,  natural_numberEquality,  productElimination,  lambdaFormation_alt,  independent_isectElimination,  approximateComputation,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  isect_memberEquality_alt,  voidElimination,  sqequalRule,  independent_pairFormation,  universeIsType,  equalityIstype,  applyEquality,  intEquality,  baseClosed,  sqequalBase,  equalitySymmetry,  dependent_set_memberEquality_alt,  setIsType,  inhabitedIsType,  equalityTransitivity,  imageElimination,  setEquality,  instantiate,  imageMemberEquality,  universeEquality,  isectIsTypeImplies,  productIsType

Latex:
\mforall{}[a,b:\mBbbR{}].  \mforall{}[f:\{f:[rmin(a;b),  rmax(a;b)]  {}\mrightarrow{}\mBbbR{}|  ifun(f;[rmin(a;b),  rmax(a;b)])\}  ].  \mforall{}[c:\mBbbZ{}\msupminus{}\msupzero{}].
    (a\_\mint{}\msupminus{}b  (f[x])/c  dx  =  (a\_\mint{}\msupminus{}b  f[x]  dx)/c)



Date html generated: 2019_10_30-AM-11_38_52
Last ObjectModification: 2019_01_01-PM-04_14_02

Theory : reals_2


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