Nuprl Lemma : vs-sum_wf

∀[K:Rng]. ∀[S:Type]. ∀[V:S ⟶ VectorSpace(K)].  (Σs:S. V[s] ∈ VectorSpace(K))


Proof




Definitions occuring in Statement :  vs-sum: Σs:S. V[s],  vector-space: VectorSpace(K),  uall: ∀[x:A]. B[x],  so_apply: x[s],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type,  rng: Rng
Definitions unfolded in proof :  implies: P ⇒ Q,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  guard: {T},  subtype_rel: A ⊆r B,  true: True,  prop: ℙ,  squash: ↓T,  all: ∀x:A. B[x],  cand: A c∧ B,  and: P ∧ Q,  uimplies: b supposing a,  so_apply: x[s1;s2],  so_lambda: λ2x y.t[x; y],  so_apply: x[s],  rng: Rng,  vs-sum: Σs:S. V[s],  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  rng_wf,  vector-space_wf,  vs-mul-add,  rng_times_wf,  infix_ap_wf,  vs-mul-mul,  vs-mul-zero,  vs-mul-one,  vs-mul-linear,  vs-add-comm,  iff_weakening_equal,  vs-mon_assoc,  true_wf,  squash_wf,  equal_wf,  rng_car_wf,  vs-mul_wf,  vs-add_wf,  vs-0_wf,  vs-point_wf,  mk-vs_wf
Rules used in proof :  isect_memberEquality,  dependent_functionElimination,  axiomEquality,  independent_pairFormation,  independent_functionElimination,  productElimination,  baseClosed,  imageMemberEquality,  natural_numberEquality,  universeEquality,  equalitySymmetry,  equalityTransitivity,  imageElimination,  lambdaFormation,  independent_isectElimination,  lambdaEquality,  functionExtensionality,  applyEquality,  hypothesisEquality,  cumulativity,  functionEquality,  hypothesis,  because_Cache,  rename,  setElimination,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  sqequalRule,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[K:Rng].  \mforall{}[S:Type].  \mforall{}[V:S  {}\mrightarrow{}  VectorSpace(K)].    (\mSigma{}s:S.  V[s]  \mmember{}  VectorSpace(K))



Date html generated: 2018_05_22-PM-09_42_33
Last ObjectModification: 2018_01_09-PM-01_03_17

Theory : linear!algebra


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