Nuprl Lemma : integral-by-parts

I:Interval. ∀u,v,u',v':{h:I ⟶ℝ| ∀x,y:{t:ℝt ∈ I} .  ((x y)  ((h x) (h y)))} .
  (d(u[t])/dt = λt.u'[t] on I
   d(v[t])/dt = λt.v'[t] on I
   iproper(I)
   (∀a,b:{a:ℝa ∈ I} .  (a_∫-u[t] v'[t] dt ((u[b] v[b]) u[a] v[a] a_∫-u'[t] v[t] dt))))


Proof




Definitions occuring in Statement :  integral: a_∫-f[x] dx derivative: d(f[x])/dx = λz.g[z] on I rfun: I ⟶ℝ i-member: r ∈ I iproper: iproper(I) interval: Interval rsub: y req: y rmul: b real: so_apply: x[s] all: x:A. B[x] implies:  Q set: {x:A| B[x]}  apply: a
Definitions unfolded in proof :  all: x:A. B[x] member: t ∈ T implies:  Q prop: uall: [x:A]. B[x] so_lambda: λ2x.t[x] so_apply: x[s] label: ...$L... t rfun: I ⟶ℝ sq_stable: SqStable(P) squash: T subtype_rel: A ⊆B uimplies: supposing a top: Top guard: {T} subinterval: I ⊆  ifun: ifun(f;I) real-fun: real-fun(f;a;b) and: P ∧ Q cand: c∧ B iff: ⇐⇒ Q or: P ∨ Q uiff: uiff(P;Q) req_int_terms: t1 ≡ t2 false: False not: ¬A
Lemmas referenced :  integration-by-parts set_wf real_wf i-member_wf iproper_wf derivative_wf rfun_wf all_wf req_wf interval_wf rmin-rmax-subinterval sq_stable__i-member rmul_wf subtype_rel_sets rccint_wf rmin_wf rmax_wf member_rccint_lemma left_endpoint_rccint_lemma right_endpoint_rccint_lemma rleq_wf rmul_functionality sq_stable__req ifun_wf rccint-icompact rmin-rleq-rmax integral_wf derivative-of-integral ftc-integral rsub_wf rmin-rleq rleq-rmax ifun_subtype_3 rmin_ub rmin_lb rleq_weakening_equal rmax_lb rmax_ub int-to-real_wf req-implies-req itermSubtract_wf itermMultiply_wf itermVar_wf itermConstant_wf req-iff-rsub-is-0 req_functionality req_weakening rsub_functionality integral-same-endpoints real_polynomial_null real_term_value_sub_lemma real_term_value_mul_lemma real_term_value_var_lemma real_term_value_const_lemma
Rules used in proof :  cut introduction extract_by_obid sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation hypothesis sqequalHypSubstitution dependent_functionElimination thin hypothesisEquality setElimination rename isectElimination sqequalRule lambdaEquality applyEquality setEquality because_Cache functionEquality independent_functionElimination imageMemberEquality baseClosed imageElimination dependent_set_memberEquality independent_isectElimination isect_memberEquality voidElimination voidEquality productEquality productElimination independent_pairFormation equalityTransitivity equalitySymmetry inlFormation natural_numberEquality approximateComputation int_eqEquality intEquality

Latex:
\mforall{}I:Interval.  \mforall{}u,v,u',v':\{h:I  {}\mrightarrow{}\mBbbR{}|  \mforall{}x,y:\{t:\mBbbR{}|  t  \mmember{}  I\}  .    ((x  =  y)  {}\mRightarrow{}  ((h  x)  =  (h  y)))\}  .
    (d(u[t])/dt  =  \mlambda{}t.u'[t]  on  I
    {}\mRightarrow{}  d(v[t])/dt  =  \mlambda{}t.v'[t]  on  I
    {}\mRightarrow{}  iproper(I)
    {}\mRightarrow{}  (\mforall{}a,b:\{a:\mBbbR{}|  a  \mmember{}  I\}  .
                (a\_\mint{}\msupminus{}b  u[t]  *  v'[t]  dt  =  ((u[b]  *  v[b])  -  u[a]  *  v[a]  -  a\_\mint{}\msupminus{}b  u'[t]  *  v[t]  dt))))



Date html generated: 2019_10_31-AM-06_17_11
Last ObjectModification: 2018_08_27-PM-00_08_13

Theory : reals_2


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