Nuprl Lemma : formal-sum-mul_wf1
∀[S:Type]. ∀[K:RngSig]. ∀[x:basic-formal-sum(K;S)]. ∀[k:|K|].  (k * x ∈ basic-formal-sum(K;S))
Proof
Definitions occuring in Statement : 
formal-sum-mul: k * x
, 
basic-formal-sum: basic-formal-sum(K;S)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
, 
rng_car: |r|
, 
rng_sig: RngSig
Definitions unfolded in proof : 
infix_ap: x f y
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
basic-formal-sum: basic-formal-sum(K;S)
, 
formal-sum-mul: k * x
Lemmas referenced : 
rng_sig_wf, 
bag_wf, 
rng_times_wf, 
rng_car_wf, 
bag-map_wf
Rules used in proof : 
universeEquality, 
because_Cache, 
isect_memberEquality, 
equalitySymmetry, 
equalityTransitivity, 
axiomEquality, 
applyEquality, 
independent_pairEquality, 
productElimination, 
spreadEquality, 
lambdaEquality, 
cumulativity, 
hypothesis, 
hypothesisEquality, 
productEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
cut, 
introduction, 
isect_memberFormation, 
computationStep, 
sqequalTransitivity, 
sqequalReflexivity, 
sqequalRule, 
sqequalSubstitution
Latex:
\mforall{}[S:Type].  \mforall{}[K:RngSig].  \mforall{}[x:basic-formal-sum(K;S)].  \mforall{}[k:|K|].    (k  *  x  \mmember{}  basic-formal-sum(K;S))
Date html generated:
2018_05_22-PM-09_44_29
Last ObjectModification:
2018_01_09-PM-01_00_44
Theory : linear!algebra
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