Nuprl Lemma : free-vs-dim-0
∀S:Type. ((¬S) 
⇒ (∀K:CRng. free-vs(K;S) ≅ 0))
Proof
Definitions occuring in Statement : 
free-vs: free-vs(K;S)
, 
vs-iso: A ≅ B
, 
trivial-vs: 0
, 
all: ∀x:A. B[x]
, 
not: ¬A
, 
implies: P 
⇒ Q
, 
universe: Type
, 
crng: CRng
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
crng: CRng
, 
rng: Rng
, 
iff: P 
⇐⇒ Q
, 
and: P ∧ Q
, 
vs-point: Point(vs)
, 
record-select: r.x
, 
trivial-vs: 0
, 
mk-vs: mk-vs, 
record-update: r[x := v]
, 
ifthenelse: if b then t else f fi 
, 
eq_atom: x =a y
, 
bfalse: ff
, 
btrue: tt
, 
unit: Unit
, 
exists: ∃x:A. B[x]
, 
not: ¬A
, 
false: False
, 
top: Top
, 
so_lambda: λ2x.t[x]
, 
subtype_rel: A ⊆r B
, 
so_apply: x[s]
, 
prop: ℙ
, 
exists!: ∃!x:T. P[x]
, 
vs-map: A ⟶ B
, 
cand: A c∧ B
, 
vs-add: x + y
, 
uimplies: b supposing a
, 
vs-0: 0
Lemmas referenced : 
free-vs-unique, 
trivial-vs_wf, 
istype-void, 
vector-space_wf, 
exists!_wf, 
vs-map_wf, 
all_wf, 
equal_wf, 
vs-point_wf, 
vs-iso_inversion, 
free-vs_wf, 
crng_wf, 
istype-universe, 
vs-0_wf, 
rec_select_update_lemma, 
unit_wf2, 
vs-zero-add, 
vs-zero-mul, 
rng_car_wf, 
it_wf, 
vs-add_wf, 
vs-mul_wf, 
vs-map-eq, 
vs-map-0, 
equal-unit
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation_alt, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
hypothesisEquality, 
isectElimination, 
setElimination, 
rename, 
hypothesis, 
productElimination, 
independent_functionElimination, 
sqequalRule, 
dependent_pairFormation_alt, 
functionExtensionality, 
applyEquality, 
voidElimination, 
isect_memberEquality_alt, 
functionIsType, 
because_Cache, 
universeIsType, 
lambdaEquality_alt, 
instantiate, 
universeEquality, 
dependent_set_memberEquality_alt, 
equalitySymmetry, 
inhabitedIsType, 
independent_pairFormation, 
productIsType, 
equalityIstype, 
independent_isectElimination, 
equalityTransitivity
Latex:
\mforall{}S:Type.  ((\mneg{}S)  {}\mRightarrow{}  (\mforall{}K:CRng.  free-vs(K;S)  \mcong{}  0))
Date html generated:
2019_10_31-AM-06_30_44
Last ObjectModification:
2019_08_02-PM-03_52_02
Theory : linear!algebra
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