Nuprl Lemma : select-map-index_aux

∀[f:Top]. ∀[L:Top List]. ∀[i:ℕ||L||]. ∀[x:ℤ].  (map-index_aux(f;L) x[i] ~ f (x + i) L[i])


Proof




Definitions occuring in Statement :  map-index_aux: map-index_aux(f;L),  select: L[n],  length: ||as||,  list: T List,  int_seg: {i..j-},  uall: ∀[x:A]. B[x],  top: Top,  apply: f a,  add: n + m,  natural_number: $n,  int: ℤ,  sqequal: s ~ t
Definitions unfolded in proof :  map-index_aux: map-index_aux(f;L),  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  top: Top,  and: P ∧ Q,  prop: ℙ,  subtype_rel: A ⊆r B,  guard: {T},  or: P ∨ Q,  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  select: L[n],  nil: [],  it: ⋅,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  int_seg: {i..j-},  lelt: i ≤ j < k,  cons: [a / b],  colength: colength(L),  decidable: Dec(P),  so_lambda: λ2x.t[x],  so_apply: x[s],  sq_type: SQType(T),  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  bool: 𝔹,  unit: Unit,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  bnot: ¬bb,  assert: ↑b
Lemmas referenced :  nat_properties,  satisfiable-full-omega-tt,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  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,  less_than_wf,  int_seg_wf,  length_wf,  top_wf,  equal-wf-T-base,  nat_wf,  colength_wf_list,  less_than_transitivity1,  less_than_irreflexivity,  list-cases,  length_of_nil_lemma,  list_ind_nil_lemma,  stuck-spread,  base_wf,  int_seg_properties,  product_subtype_list,  spread_cons_lemma,  intformeq_wf,  itermAdd_wf,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  decidable__le,  intformnot_wf,  int_formula_prop_not_lemma,  le_wf,  equal_wf,  subtract_wf,  itermSubtract_wf,  int_term_value_subtract_lemma,  subtype_base_sq,  set_subtype_base,  int_subtype_base,  decidable__equal_int,  length_of_cons_lemma,  list_ind_cons_lemma,  list_wf,  le_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_le_int,  eqff_to_assert,  bool_cases_sqequal,  bool_subtype_base,  assert-bnot,  decidable__lt,  add-is-int-iff,  false_wf,  lelt_wf,  select-cons
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  thin,  lambdaFormation,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  hypothesisEquality,  hypothesis,  setElimination,  rename,  intWeakElimination,  natural_numberEquality,  independent_isectElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  independent_functionElimination,  sqequalAxiom,  applyEquality,  because_Cache,  unionElimination,  baseClosed,  productElimination,  promote_hyp,  hypothesis_subsumption,  equalityTransitivity,  equalitySymmetry,  applyLambdaEquality,  dependent_set_memberEquality,  addEquality,  instantiate,  cumulativity,  imageElimination,  equalityElimination,  pointwiseFunctionality,  baseApply,  closedConclusion

Latex:
\mforall{}[f:Top].  \mforall{}[L:Top  List].  \mforall{}[i:\mBbbN{}||L||].  \mforall{}[x:\mBbbZ{}].    (map-index\_aux(f;L)  x[i]  \msim{}  f  (x  +  i)  L[i])



Date html generated: 2017_04_17-AM-08_54_06
Last ObjectModification: 2017_02_27-PM-05_11_48

Theory : list_1


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