Nuprl Lemma : integral-by-parts

∀I:Interval. ∀u,v,u',v':{h:I ⟶ℝ| ∀x,y:{t:ℝ| t ∈ 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:ℝ| a ∈ I} .  (a_∫-b u[t] * v'[t] dt = ((u[b] * v[b]) - u[a] * v[a] - a_∫-b u'[t] * v[t] dt))))


Proof




Definitions occuring in Statement :  integral: a_∫-b 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: x - y,  req: x = y,  rmul: a * b,  real: ℝ,  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  set: {x:A| B[x]} ,  apply: f a
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  implies: P ⇒ Q,  prop: ℙ,  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 ⊆r B,  uimplies: b supposing a,  top: Top,  guard: {T},  subinterval: I ⊆ J ,  ifun: ifun(f;I),  real-fun: real-fun(f;a;b),  and: P ∧ Q,  cand: A c∧ B,  iff: P ⇐⇒ 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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