Nuprl Lemma : power-sum_functionality_wrt_le
∀m:ℤ. ∀n,x:ℕ. ∀a,b:ℕn ⟶ ℤ.  ((∀i:ℕn. (a[i] ≤ b[i])) ⇒ (Σi<n.a[i]*x^i ≤ Σi<n.b[i]*x^i))
Proof
Definitions occuring in Statement : 
power-sum: Σi<n.a[i]*x^i, 
int_seg: {i..j-}, 
nat: ℕ, 
so_apply: x[s], 
le: A ≤ B, 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
function: x:A ⟶ B[x], 
natural_number: $n, 
int: ℤ
Definitions unfolded in proof : 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
power-sum: Σi<n.a[i]*x^i, 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
so_lambda: λ2x.t[x], 
so_apply: x[s], 
subtype_rel: A ⊆r B, 
nat: ℕ, 
uimplies: b supposing a, 
le: A ≤ B, 
and: P ∧ Q, 
less_than': less_than'(a;b), 
false: False, 
not: ¬A, 
prop: ℙ, 
guard: {T}, 
int_seg: {i..j-}, 
ge: i ≥ j , 
lelt: i ≤ j < k, 
decidable: Dec(P), 
or: P ∨ Q, 
uiff: uiff(P;Q), 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
top: Top
Lemmas referenced : 
int_formula_prop_wf, 
int_term_value_var_lemma, 
int_term_value_mul_lemma, 
int_formula_prop_le_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_and_lemma, 
itermVar_wf, 
itermMultiply_wf, 
intformle_wf, 
intformnot_wf, 
intformand_wf, 
satisfiable-full-omega-tt, 
multiply-is-int-iff, 
decidable__le, 
nat_properties, 
int_seg_properties, 
exp_wf4, 
mul_preserves_le, 
nat_wf, 
le_wf, 
all_wf, 
int_seg_wf, 
false_wf, 
int_seg_subtype_nat, 
exp_wf2, 
sum_le
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
sqequalRule, 
lambdaEquality, 
multiplyEquality, 
applyEquality, 
natural_numberEquality, 
setElimination, 
rename, 
independent_isectElimination, 
independent_pairFormation, 
hypothesis, 
because_Cache, 
functionEquality, 
intEquality, 
productElimination, 
dependent_functionElimination, 
dependent_set_memberEquality, 
unionElimination, 
pointwiseFunctionality, 
equalityTransitivity, 
equalitySymmetry, 
promote_hyp, 
baseApply, 
closedConclusion, 
baseClosed, 
dependent_pairFormation, 
int_eqEquality, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
computeAll
Latex:
\mforall{}m:\mBbbZ{}.  \mforall{}n,x:\mBbbN{}.  \mforall{}a,b:\mBbbN{}n  {}\mrightarrow{}  \mBbbZ{}.    ((\mforall{}i:\mBbbN{}n.  (a[i]  \mleq{}  b[i]))  {}\mRightarrow{}  (\mSigma{}i<n.a[i]*x\^{}i  \mleq{}  \mSigma{}i<n.b[i]*x\^{}i))
Date html generated:
2016_05_15-PM-06_28_41
Last ObjectModification:
2016_01_16-AM-09_57_44
Theory : general
Home
Index