Nuprl Lemma : integral-int-rdiv

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


Proof




Definitions occuring in Statement :  integral: a_∫-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: y real: int_nzero: -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: -o implies:  Q all: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q rev_implies:  Q not: ¬A nequal: a ≠ b ∈  uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False top: Top prop: subtype_rel: A ⊆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


Home Index