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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