Nuprl Lemma : vs-bag-add-append

∀[K:Rng]. ∀[vs:VectorSpace(K)]. ∀[S:Type]. ∀[f:S ⟶ Point(vs)]. ∀[bs,cs:bag(S)].
  (Σ{f[b] | b ∈ bs + cs} = Σ{f[b] | b ∈ bs} + Σ{f[b] | b ∈ cs} ∈ Point(vs))


Proof




Definitions occuring in Statement :  vs-bag-add: Σ{f[b] | b ∈ bs},  vs-add: x + y,  vector-space: VectorSpace(K),  vs-point: Point(vs),  uall: ∀[x:A]. B[x],  so_apply: x[s],  function: x:A ⟶ B[x],  universe: Type,  equal: s = t ∈ T,  rng: Rng,  bag-append: as + bs,  bag: bag(T)
Definitions unfolded in proof :  all: ∀x:A. B[x],  comm: Comm(T;op),  ident: Ident(T;op;id),  implies: P ⇒ Q,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  guard: {T},  subtype_rel: A ⊆r B,  true: True,  prop: ℙ,  squash: ↓T,  infix_ap: x f y,  assoc: Assoc(T;op),  monoid_p: IsMonoid(T;op;id),  cand: A c∧ B,  and: P ∧ Q,  uimplies: b supposing a,  rng: Rng,  vs-bag-add: Σ{f[b] | b ∈ bs},  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  rng_wf,  vector-space_wf,  bag_wf,  vs-add-comm,  vs-mon_ident,  iff_weakening_equal,  vs-mon_assoc,  true_wf,  squash_wf,  equal_wf,  vs-0_wf,  vs-add_wf,  vs-point_wf,  bag-summation-append
Rules used in proof :  dependent_functionElimination,  functionEquality,  cumulativity,  independent_pairEquality,  axiomEquality,  isect_memberEquality,  independent_functionElimination,  productElimination,  baseClosed,  imageMemberEquality,  natural_numberEquality,  universeEquality,  equalitySymmetry,  equalityTransitivity,  imageElimination,  applyEquality,  sqequalRule,  independent_pairFormation,  independent_isectElimination,  lambdaEquality,  hypothesisEquality,  hypothesis,  because_Cache,  rename,  setElimination,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[K:Rng].  \mforall{}[vs:VectorSpace(K)].  \mforall{}[S:Type].  \mforall{}[f:S  {}\mrightarrow{}  Point(vs)].  \mforall{}[bs,cs:bag(S)].
    (\mSigma{}\{f[b]  |  b  \mmember{}  bs  +  cs\}  =  \mSigma{}\{f[b]  |  b  \mmember{}  bs\}  +  \mSigma{}\{f[b]  |  b  \mmember{}  cs\})



Date html generated: 2018_05_22-PM-09_41_30
Last ObjectModification: 2018_01_09-PM-01_03_58

Theory : linear!algebra


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