Nuprl Lemma : rv-mul_wf
∀[rv:RealVectorSpace]. ∀[a:ℝ]. ∀[x:Point].  (a*x ∈ Point)
Proof
Definitions occuring in Statement : 
rv-mul: a*x
, 
real-vector-space: RealVectorSpace
, 
ss-point: Point
, 
real: ℝ
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
guard: {T}
, 
all: ∀x:A. B[x]
, 
so_apply: x[s]
, 
prop: ℙ
, 
implies: P 
⇒ Q
, 
so_lambda: λ2x.t[x]
, 
and: P ∧ Q
, 
btrue: tt
, 
ifthenelse: if b then t else f fi 
, 
eq_atom: x =a y
, 
record-select: r.x
, 
record+: record+, 
real-vector-space: RealVectorSpace
, 
rv-mul: a*x
, 
subtype_rel: A ⊆r B
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
real-vector-space_wf, 
rmul_wf, 
int-to-real_wf, 
req_wf, 
real_wf, 
ss-eq_wf, 
all_wf, 
ss-point_wf, 
subtype_rel_self, 
real-vector-space_subtype1
Rules used in proof : 
isect_memberEquality, 
axiomEquality, 
natural_numberEquality, 
rename, 
setElimination, 
equalitySymmetry, 
equalityTransitivity, 
functionExtensionality, 
lambdaEquality, 
productEquality, 
because_Cache, 
functionEquality, 
setEquality, 
isectElimination, 
tokenEquality, 
thin, 
dependentIntersectionEqElimination, 
dependentIntersectionElimination, 
sqequalRule, 
sqequalHypSubstitution, 
hypothesis, 
extract_by_obid, 
applyEquality, 
hypothesisEquality, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[rv:RealVectorSpace].  \mforall{}[a:\mBbbR{}].  \mforall{}[x:Point].    (a*x  \mmember{}  Point)
Date html generated:
2016_11_08-AM-09_13_37
Last ObjectModification:
2016_10_31-PM-01_45_25
Theory : inner!product!spaces
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