Nuprl Lemma : free-vs_wf
∀[S:Type]. ∀[K:CRng].  (free-vs(K;S) ∈ VectorSpace(K))
Proof
Definitions occuring in Statement : 
free-vs: free-vs(K;S)
, 
vector-space: VectorSpace(K)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
, 
crng: CRng
Definitions unfolded in proof : 
implies: P 
⇒ Q
, 
rev_implies: P 
⇐ Q
, 
iff: P 
⇐⇒ Q
, 
true: True
, 
prop: ℙ
, 
squash: ↓T
, 
top: Top
, 
cand: A c∧ B
, 
and: P ∧ Q
, 
guard: {T}
, 
subtype_rel: A ⊆r B
, 
free-vs: free-vs(K;S)
, 
all: ∀x:A. B[x]
, 
uimplies: b supposing a
, 
so_apply: x[s1;s2]
, 
so_lambda: λ2x y.t[x; y]
, 
formal-sum: formal-sum(K;S)
, 
basic-formal-sum: basic-formal-sum(K;S)
, 
rng: Rng
, 
crng: CRng
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
crng_wf, 
formal-sum-mul-add, 
rng_times_wf, 
infix_ap_wf, 
formal-sum-mul-mul, 
formal-sum-mul-0, 
formal-sum-mul-1, 
formal-sum-mul-linear, 
iff_weakening_equal, 
formal-sum-add-comm, 
true_wf, 
squash_wf, 
equal_wf, 
formal-sum-add-assoc, 
formal-sum-mul_wf, 
formal-sum-add_wf, 
rng_car_wf, 
subtype_rel_transitivity, 
bag_wf, 
empty-bag_wf, 
mk-vs_wf, 
bfs-equiv-rel, 
bfs-equiv_wf, 
basic-formal-sum_wf, 
subtype_quotient, 
formal-sum_wf
Rules used in proof : 
axiomEquality, 
independent_functionElimination, 
productElimination, 
baseClosed, 
imageMemberEquality, 
natural_numberEquality, 
imageElimination, 
independent_pairFormation, 
voidEquality, 
voidElimination, 
lambdaFormation, 
productEquality, 
instantiate, 
isectEquality, 
equalitySymmetry, 
equalityTransitivity, 
applyEquality, 
universeEquality, 
isect_memberEquality, 
dependent_functionElimination, 
independent_isectElimination, 
lambdaEquality, 
because_Cache, 
sqequalRule, 
cumulativity, 
hypothesis, 
hypothesisEquality, 
rename, 
setElimination, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[S:Type].  \mforall{}[K:CRng].    (free-vs(K;S)  \mmember{}  VectorSpace(K))
Date html generated:
2018_05_22-PM-09_46_08
Last ObjectModification:
2018_01_09-PM-00_25_15
Theory : linear!algebra
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