Nuprl Lemma : int-dot-select

∀[as,bs:ℤ List]. ∀[i:ℕ].  as ⋅ bs ~ (as[i] * bs[i]) + as\i ⋅ bs\i supposing i < ||as|| ∧ i < ||bs||


Proof




Definitions occuring in Statement :  list-delete: as\i,  integer-dot-product: as ⋅ bs,  select: L[n],  length: ||as||,  list: T List,  nat: ℕ,  less_than: a < b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  and: P ∧ Q,  multiply: n * m,  add: n + m,  int: ℤ,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  guard: {T},  uimplies: b supposing a,  prop: ℙ,  and: P ∧ Q,  subtype_rel: A ⊆r B,  or: P ∨ Q,  top: Top,  select: L[n],  nil: [],  it: ⋅,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  cons: [a / b],  colength: colength(L),  so_lambda: λ2x.t[x],  so_apply: x[s],  sq_type: SQType(T),  squash: ↓T,  sq_stable: SqStable(P),  uiff: uiff(P;Q),  le: A ≤ B,  not: ¬A,  less_than': less_than'(a;b),  true: True,  decidable: Dec(P),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  subtract: n - m,  less_than: a < b,  bool: 𝔹,  unit: Unit,  btrue: tt,  ifthenelse: if b then t else f fi ,  list-delete: as\i,  bfalse: ff,  exists: ∃x:A. B[x],  bnot: ¬bb,  assert: ↑b,  cand: A c∧ B
Lemmas referenced :  nat_properties,  less_than_transitivity1,  less_than_irreflexivity,  ge_wf,  less_than_wf,  length_wf,  nat_wf,  list_wf,  equal-wf-base,  list_subtype_base,  int_subtype_base,  list-cases,  nil_wf,  length_of_nil_lemma,  int_dot_nil_left_lemma,  stuck-spread,  base_wf,  product_subtype_list,  spread_cons_lemma,  equal_wf,  subtype_base_sq,  set_subtype_base,  le_wf,  length_of_cons_lemma,  colength_wf_list,  sq_stable__le,  le_antisymmetry_iff,  add_functionality_wrt_le,  add-associates,  add-zero,  zero-add,  le-add-cancel,  equal-wf-T-base,  decidable__le,  false_wf,  not-le-2,  condition-implies-le,  minus-add,  minus-one-mul,  minus-one-mul-top,  add-commutes,  subtract_wf,  not-ge-2,  less-iff-le,  minus-minus,  add-swap,  cons_wf,  int_dot_cons_nil_lemma,  int_dot_cons_lemma,  le_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_le_int,  lt_int_wf,  assert_of_lt_int,  top_wf,  integer-dot-product_wf,  eqff_to_assert,  bool_cases_sqequal,  bool_subtype_base,  assert-bnot,  not-lt-2,  minus-zero,  le-add-cancel2,  select_wf,  decidable__lt,  select-cons
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  thin,  lambdaFormation,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  hypothesisEquality,  hypothesis,  setElimination,  rename,  intWeakElimination,  natural_numberEquality,  independent_isectElimination,  independent_functionElimination,  voidElimination,  sqequalRule,  lambdaEquality,  dependent_functionElimination,  isect_memberEquality,  sqequalAxiom,  productEquality,  intEquality,  because_Cache,  equalityTransitivity,  equalitySymmetry,  baseApply,  closedConclusion,  baseClosed,  applyEquality,  unionElimination,  voidEquality,  productElimination,  promote_hyp,  hypothesis_subsumption,  instantiate,  cumulativity,  addEquality,  applyLambdaEquality,  imageMemberEquality,  imageElimination,  dependent_set_memberEquality,  independent_pairFormation,  minusEquality,  equalityElimination,  lessCases,  multiplyEquality,  dependent_pairFormation

Latex:
\mforall{}[as,bs:\mBbbZ{}  List].  \mforall{}[i:\mBbbN{}].    as  \mcdot{}  bs  \msim{}  (as[i]  *  bs[i])  +  as\mbackslash{}i  \mcdot{}  bs\mbackslash{}i  supposing  i  <  ||as||  \mwedge{}  i  <  ||bs||



Date html generated: 2017_04_14-AM-08_55_57
Last ObjectModification: 2017_02_27-PM-03_40_02

Theory : omega


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