Nuprl Lemma : ratreal-ratLegendre
∀[x:ℤ × ℕ+]. ∀[n:ℕ].  (ratreal(ratLegendre(n;x)) = Legendre(n;ratreal(x)))
Proof
Definitions occuring in Statement : 
ratLegendre: ratLegendre(n;x)
, 
Legendre: Legendre(n;x)
, 
ratreal: ratreal(r)
, 
req: x = y
, 
nat_plus: ℕ+
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
product: x:A × B[x]
, 
int: ℤ
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
sq_stable: SqStable(P)
, 
squash: ↓T
, 
subtype_rel: A ⊆r B
Lemmas referenced : 
ratLegendre_wf, 
sq_stable__req, 
ratreal_wf, 
Legendre_wf, 
req_witness, 
istype-nat, 
istype-int, 
nat_plus_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
introduction, 
cut, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
hypothesis, 
inhabitedIsType, 
lambdaFormation_alt, 
setElimination, 
rename, 
independent_functionElimination, 
sqequalRule, 
imageMemberEquality, 
baseClosed, 
imageElimination, 
equalityIstype, 
equalityTransitivity, 
equalitySymmetry, 
dependent_functionElimination, 
applyEquality, 
lambdaEquality_alt, 
isect_memberEquality_alt, 
because_Cache, 
isectIsTypeImplies, 
productIsType, 
universeIsType
Latex:
\mforall{}[x:\mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{}].  \mforall{}[n:\mBbbN{}].    (ratreal(ratLegendre(n;x))  =  Legendre(n;ratreal(x)))
Date html generated:
2019_10_30-AM-11_34_16
Last ObjectModification:
2019_01_14-AM-10_25_05
Theory : reals_2
Home
Index