Nuprl Lemma : vs-mul_wf
∀[K:RngSig]. ∀[vs:VectorSpace(K)]. ∀[a:|K|]. ∀[y:Point(vs)].  (a * y ∈ Point(vs))
Proof
Definitions occuring in Statement : 
vs-mul: a * x
, 
vector-space: VectorSpace(K)
, 
vs-point: Point(vs)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
rng_car: |r|
, 
rng_sig: RngSig
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
vs-mul: a * x
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
infix_ap: x f y
, 
guard: {T}
, 
prop: ℙ
, 
so_apply: x[s]
, 
so_lambda: λ2x.t[x]
, 
and: P ∧ Q
, 
btrue: tt
, 
ifthenelse: if b then t else f fi 
, 
eq_atom: x =a y
, 
subtype_rel: A ⊆r B
, 
record-select: r.x
, 
record+: record+, 
vector-space: VectorSpace(K)
Lemmas referenced : 
rng_sig_wf, 
vector-space_wf, 
rng_car_wf, 
vs-point_wf, 
rng_plus_wf, 
rng_times_wf, 
infix_ap_wf, 
rng_zero_wf, 
rng_one_wf, 
equal_wf, 
all_wf, 
subtype_rel_self
Rules used in proof : 
dependent_functionElimination, 
because_Cache, 
isect_memberEquality, 
hypothesisEquality, 
thin, 
isectElimination, 
extract_by_obid, 
equalitySymmetry, 
equalityTransitivity, 
axiomEquality, 
hypothesis, 
sqequalHypSubstitution, 
sqequalRule, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution, 
rename, 
setElimination, 
functionExtensionality, 
lambdaEquality, 
productEquality, 
functionEquality, 
setEquality, 
universeEquality, 
instantiate, 
tokenEquality, 
applyEquality, 
dependentIntersectionEqElimination, 
dependentIntersectionElimination
Latex:
\mforall{}[K:RngSig].  \mforall{}[vs:VectorSpace(K)].  \mforall{}[a:|K|].  \mforall{}[y:Point(vs)].    (a  *  y  \mmember{}  Point(vs))
Date html generated:
2018_05_22-PM-09_40_39
Last ObjectModification:
2018_01_09-AM-10_24_23
Theory : linear!algebra
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