Nuprl Lemma : vs-map-bag-add

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


Proof




Definitions occuring in Statement :  vs-map: A ⟶ B,  vs-bag-add: Σ{f[b] | b ∈ bs},  vector-space: VectorSpace(K),  vs-point: Point(vs),  uall: ∀[x:A]. B[x],  so_apply: x[s],  apply: f a,  function: x:A ⟶ B[x],  universe: Type,  equal: s = t ∈ T,  rng: Rng,  bag: bag(T)
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  squash: ↓T,  exists: ∃x:A. B[x],  all: ∀x:A. B[x],  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  top: Top,  and: P ∧ Q,  prop: ℙ,  or: P ∨ Q,  cons: [a / b],  le: A ≤ B,  less_than': less_than'(a;b),  colength: colength(L),  nil: [],  it: ⋅,  guard: {T},  so_lambda: λ2x.t[x],  so_apply: x[s],  sq_type: SQType(T),  less_than: a < b,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  decidable: Dec(P),  subtype_rel: A ⊆r B,  rng: Rng,  vs-map: A ⟶ B,  vs-bag-add: Σ{f[b] | b ∈ bs},  bag-summation: Σ(x∈b). f[x],  bag-accum: bag-accum(v,x.f[v; x];init;bs),  cand: A c∧ B,  bag-append: as + bs,  append: as @ bs,  list_ind: list_ind,  single-bag: {x},  true: True,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  monoid_p: IsMonoid(T;op;id),  assoc: Assoc(T;op),  infix_ap: x f y,  ident: Ident(T;op;id),  comm: Comm(T;op)
Lemmas referenced :  bag_to_squash_list,  nat_properties,  full-omega-unsat,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  istype-int,  int_formula_prop_and_lemma,  istype-void,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  ge_wf,  istype-less_than,  list-cases,  product_subtype_list,  colength-cons-not-zero,  colength_wf_list,  istype-le,  list_wf,  subtract-1-ge-0,  subtype_base_sq,  intformeq_wf,  int_formula_prop_eq_lemma,  set_subtype_base,  int_subtype_base,  spread_cons_lemma,  decidable__equal_int,  subtract_wf,  intformnot_wf,  itermSubtract_wf,  itermAdd_wf,  int_formula_prop_not_lemma,  int_term_value_subtract_lemma,  int_term_value_add_lemma,  decidable__le,  le_wf,  istype-nat,  equal_wf,  vs-point_wf,  vs-bag-add_wf,  bag_wf,  istype-universe,  vs-map_wf,  vector-space_wf,  rng_wf,  list_accum_nil_lemma,  vs-map-0,  vs-add_wf,  rng_properties,  rng_car_wf,  vs-mul_wf,  single-bag_wf,  list-subtype-bag,  squash_wf,  true_wf,  vs-bag-add-append,  subtype_rel_self,  iff_weakening_equal,  rng_sig_wf,  vs-0_wf,  vs-mon_assoc,  vs-mon_ident,  vs-add-comm-nu,  bag-summation-single
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  imageElimination,  productElimination,  promote_hyp,  hypothesis,  rename,  lambdaFormation_alt,  setElimination,  intWeakElimination,  natural_numberEquality,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  dependent_functionElimination,  isect_memberEquality_alt,  voidElimination,  sqequalRule,  independent_pairFormation,  universeIsType,  axiomEquality,  functionIsTypeImplies,  inhabitedIsType,  unionElimination,  hypothesis_subsumption,  equalityIstype,  because_Cache,  dependent_set_memberEquality_alt,  instantiate,  equalityTransitivity,  equalitySymmetry,  applyLambdaEquality,  baseApply,  closedConclusion,  baseClosed,  applyEquality,  intEquality,  sqequalBase,  hyp_replacement,  isectIsTypeImplies,  functionIsType,  universeEquality,  productIsType,  imageMemberEquality,  independent_pairEquality

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



Date html generated: 2019_10_31-AM-06_27_07
Last ObjectModification: 2019_08_07-AM-11_26_39

Theory : linear!algebra


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