Nuprl Lemma : assert-nonneg-poly
∀[p:iPolynomial()]. uiff(↑nonneg-poly(p);(∀m∈p.↑nonneg-monomial(m)))
Proof
Definitions occuring in Statement : 
nonneg-poly: nonneg-poly(p)
, 
nonneg-monomial: nonneg-monomial(m)
, 
iPolynomial: iPolynomial()
, 
l_all: (∀x∈L.P[x])
, 
assert: ↑b
, 
uiff: uiff(P;Q)
, 
uall: ∀[x:A]. B[x]
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
nonneg-poly: nonneg-poly(p)
, 
uiff: uiff(P;Q)
, 
and: P ∧ Q
, 
uimplies: b supposing a
, 
l_all: (∀x∈L.P[x])
, 
all: ∀x:A. B[x]
, 
iPolynomial: iPolynomial()
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
le: A ≤ B
, 
less_than: a < b
, 
squash: ↓T
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
not: ¬A
, 
implies: P 
⇒ Q
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
false: False
, 
top: Top
, 
prop: ℙ
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
Lemmas referenced : 
assert_witness, 
nonneg-monomial_wf, 
select_wf, 
iMonomial_wf, 
int_seg_properties, 
decidable__le, 
full-omega-unsat, 
intformand_wf, 
intformnot_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
istype-int, 
int_formula_prop_and_lemma, 
istype-void, 
int_formula_prop_not_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_wf, 
decidable__lt, 
length_wf, 
intformless_wf, 
int_formula_prop_less_lemma, 
l_all_wf, 
assert_wf, 
l_member_wf, 
iff_weakening_uiff, 
bl-all_wf, 
assert-bl-all, 
istype-assert, 
nonneg-poly_wf, 
iPolynomial_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
Error :isect_memberFormation_alt, 
introduction, 
cut, 
independent_pairFormation, 
hypothesis, 
sqequalRule, 
sqequalHypSubstitution, 
Error :lambdaEquality_alt, 
dependent_functionElimination, 
thin, 
hypothesisEquality, 
extract_by_obid, 
isectElimination, 
setElimination, 
rename, 
because_Cache, 
independent_isectElimination, 
productElimination, 
imageElimination, 
natural_numberEquality, 
unionElimination, 
approximateComputation, 
independent_functionElimination, 
Error :dependent_pairFormation_alt, 
int_eqEquality, 
Error :isect_memberEquality_alt, 
voidElimination, 
Error :universeIsType, 
Error :functionIsTypeImplies, 
Error :inhabitedIsType, 
Error :setIsType, 
promote_hyp, 
independent_pairEquality, 
Error :isectIsTypeImplies
Latex:
\mforall{}[p:iPolynomial()].  uiff(\muparrow{}nonneg-poly(p);(\mforall{}m\mmember{}p.\muparrow{}nonneg-monomial(m)))
Date html generated:
2019_06_20-PM-01_35_16
Last ObjectModification:
2019_04_08-PM-05_22_00
Theory : list_1
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