Nuprl Lemma : rv-mul-add
∀[rv:RealVectorSpace]. ∀[a,b:ℝ]. ∀[x:Point].  a*x + b*x ≡ a + b*x
Proof
Definitions occuring in Statement : 
rv-mul: a*x
, 
rv-add: x + y
, 
real-vector-space: RealVectorSpace
, 
radd: a + b
, 
real: ℝ
, 
ss-eq: x ≡ y
, 
ss-point: Point
, 
uall: ∀[x:A]. B[x]
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
all: ∀x:A. B[x]
, 
subtype_rel: A ⊆r B
, 
implies: P 
⇒ Q
, 
ss-eq: x ≡ y
, 
not: ¬A
, 
false: False
, 
prop: ℙ
, 
real-vector-space: RealVectorSpace
, 
record+: record+, 
record-select: r.x
, 
eq_atom: x =a y
, 
ifthenelse: if b then t else f fi 
, 
btrue: tt
, 
and: P ∧ Q
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
guard: {T}
, 
or: P ∨ Q
, 
rv-mul: a*x
, 
rv-add: x + y
, 
squash: ↓T
, 
sq_stable: SqStable(P)
Lemmas referenced : 
ss-eq_inversion, 
real-vector-space_subtype1, 
rv-mul_wf, 
radd_wf, 
rv-add_wf, 
ss-sep_wf, 
ss-point_wf, 
real_wf, 
real-vector-space_wf, 
subtype_rel_self, 
all_wf, 
ss-eq_wf, 
or_wf, 
int-to-real_wf, 
rmul_wf, 
rneq_wf, 
sq_stable__ss-eq
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
extract_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
hypothesisEquality, 
applyEquality, 
hypothesis, 
sqequalRule, 
isectElimination, 
independent_functionElimination, 
lambdaEquality, 
because_Cache, 
isect_memberEquality, 
voidElimination, 
dependentIntersectionElimination, 
dependentIntersectionEqElimination, 
tokenEquality, 
setEquality, 
functionEquality, 
productEquality, 
functionExtensionality, 
equalityTransitivity, 
equalitySymmetry, 
setElimination, 
rename, 
natural_numberEquality, 
applyLambdaEquality, 
imageMemberEquality, 
baseClosed, 
imageElimination, 
productElimination
Latex:
\mforall{}[rv:RealVectorSpace].  \mforall{}[a,b:\mBbbR{}].  \mforall{}[x:Point].    a*x  +  b*x  \mequiv{}  a  +  b*x
Date html generated:
2017_10_04-PM-11_50_23
Last ObjectModification:
2017_06_22-PM-06_44_29
Theory : inner!product!spaces
Home
Index