Nuprl Lemma : partition-sum-rmul-const
∀I:Interval
  (icompact(I)
  
⇒ (∀f:I ⟶ℝ. ∀c:ℝ. ∀p:partition(I). ∀y:partition-choice(full-partition(I;p)).
        (S(λx.(c * (f x));full-partition(I;p)) = (c * S(f;full-partition(I;p))))))
Proof
Definitions occuring in Statement : 
partition-sum: S(f;p)
, 
partition-choice: partition-choice(p)
, 
full-partition: full-partition(I;p)
, 
partition: partition(I)
, 
icompact: icompact(I)
, 
rfun: I ⟶ℝ
, 
interval: Interval
, 
req: x = y
, 
rmul: a * b
, 
real: ℝ
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
apply: f a
, 
lambda: λx.A[x]
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
partition-sum: S(f;p)
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
, 
uall: ∀[x:A]. B[x]
, 
uimplies: b supposing a
, 
prop: ℙ
, 
partition: partition(I)
, 
full-partition: full-partition(I;p)
, 
top: Top
, 
ge: i ≥ j 
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
le: A ≤ B
, 
and: P ∧ Q
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
false: False
, 
not: ¬A
, 
so_lambda: λ2x.t[x]
, 
rfun: I ⟶ℝ
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
uiff: uiff(P;Q)
, 
guard: {T}
, 
so_apply: x[s]
, 
icompact: icompact(I)
, 
rev_uimplies: rev_uimplies(P;Q)
, 
less_than: a < b
, 
pointwise-req: x[k] = y[k] for k ∈ [n,m]
Lemmas referenced : 
partition-choice-indep-funtype, 
int_seg_wf, 
length_wf, 
real_wf, 
i-member_wf, 
equal_wf, 
partition-choice_wf, 
full-partition_wf, 
partition_wf, 
rfun_wf, 
icompact_wf, 
interval_wf, 
length_of_cons_lemma, 
length_nil, 
non_neg_length, 
nil_wf, 
length_cons, 
right-endpoint_wf, 
cons_wf, 
append_wf, 
length_append, 
subtype_rel_list, 
top_wf, 
length-append, 
length_of_nil_lemma, 
decidable__equal_int, 
satisfiable-full-omega-tt, 
intformnot_wf, 
intformeq_wf, 
itermAdd_wf, 
itermVar_wf, 
itermConstant_wf, 
int_formula_prop_not_lemma, 
int_formula_prop_eq_lemma, 
int_term_value_add_lemma, 
int_term_value_var_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_wf, 
rsum_wf, 
subtract_wf, 
rmul_wf, 
decidable__lt, 
add-is-int-iff, 
intformand_wf, 
intformless_wf, 
itermSubtract_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_less_lemma, 
int_term_value_subtract_lemma, 
false_wf, 
lelt_wf, 
rsub_wf, 
select_wf, 
int_seg_properties, 
decidable__le, 
intformle_wf, 
int_formula_prop_le_lemma, 
req_functionality, 
req_weakening, 
req_inversion, 
rsum_linearity2, 
rsum_functionality, 
rmul_assoc, 
le_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
sqequalRule, 
cut, 
hypothesisEquality, 
applyEquality, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
independent_isectElimination, 
hypothesis, 
functionEquality, 
natural_numberEquality, 
addEquality, 
setElimination, 
rename, 
setEquality, 
equalityTransitivity, 
equalitySymmetry, 
dependent_functionElimination, 
independent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
because_Cache, 
lambdaEquality, 
unionElimination, 
productElimination, 
dependent_pairFormation, 
int_eqEquality, 
intEquality, 
computeAll, 
functionExtensionality, 
dependent_set_memberEquality, 
independent_pairFormation, 
pointwiseFunctionality, 
promote_hyp, 
baseApply, 
closedConclusion, 
baseClosed
Latex:
\mforall{}I:Interval
    (icompact(I)
    {}\mRightarrow{}  (\mforall{}f:I  {}\mrightarrow{}\mBbbR{}.  \mforall{}c:\mBbbR{}.  \mforall{}p:partition(I).  \mforall{}y:partition-choice(full-partition(I;p)).
                (S(\mlambda{}x.(c  *  (f  x));full-partition(I;p))  =  (c  *  S(f;full-partition(I;p))))))
Date html generated:
2016_10_26-PM-00_01_10
Last ObjectModification:
2016_09_12-PM-05_37_35
Theory : reals_2
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