Nuprl Lemma : rep-seq-from-prop2

∀[T:Type]. ∀[n:ℕ]. ∀[s:ℕn ⟶ T]. ∀[f:ℕ ⟶ T]. ∀[m:ℕ].  (rep-seq-from(s.f m@m;m + 1;f) = rep-seq-from(s;m;f) ∈ (ℕn ⟶ T))


Proof




Definitions occuring in Statement :  rep-seq-from: rep-seq-from(s;n;f),  seq-add: s.x@n,  int_seg: {i..j-},  nat: ℕ,  uall: ∀[x:A]. B[x],  apply: f a,  function: x:A ⟶ B[x],  add: n + m,  natural_number: $n,  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  rep-seq-from: rep-seq-from(s;n;f),  member: t ∈ T,  uall: ∀[x:A]. B[x],  int_seg: {i..j-},  nat: ℕ,  all: ∀x:A. B[x],  implies: P ⇒ Q,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  less_than: a < b,  less_than': less_than'(a;b),  top: Top,  true: True,  squash: ↓T,  not: ¬A,  false: False,  prop: ℙ,  seq-add: s.x@n,  guard: {T},  ge: i ≥ j ,  lelt: i ≤ j < k,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  bfalse: ff,  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  ifthenelse: if b then t else f fi ,  assert: ↑b,  nequal: a ≠ b ∈ T ,  decidable: Dec(P),  subtype_rel: A ⊆r B,  le: A ≤ B
Lemmas referenced :  lt_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_lt_int,  top_wf,  less_than_wf,  eq_int_wf,  assert_of_eq_int,  int_seg_properties,  nat_properties,  satisfiable-full-omega-tt,  intformand_wf,  intformeq_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_eq_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  decidable__le,  intformnot_wf,  intformle_wf,  itermConstant_wf,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  le_wf,  itermAdd_wf,  int_term_value_add_lemma,  nat_wf,  int_seg_subtype_nat,  false_wf,  int_seg_wf
Rules used in proof :  functionExtensionality,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  sqequalRule,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  hypothesis,  addEquality,  natural_numberEquality,  lambdaFormation,  unionElimination,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  productElimination,  independent_isectElimination,  because_Cache,  lessCases,  isect_memberFormation,  sqequalAxiom,  isect_memberEquality,  independent_pairFormation,  voidElimination,  voidEquality,  imageMemberEquality,  baseClosed,  imageElimination,  independent_functionElimination,  int_eqReduceTrueSq,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  computeAll,  promote_hyp,  instantiate,  cumulativity,  int_eqReduceFalseSq,  applyEquality,  dependent_set_memberEquality,  functionEquality,  universeEquality,  axiomEquality

Latex:
\mforall{}[T:Type].  \mforall{}[n:\mBbbN{}].  \mforall{}[s:\mBbbN{}n  {}\mrightarrow{}  T].  \mforall{}[f:\mBbbN{}  {}\mrightarrow{}  T].  \mforall{}[m:\mBbbN{}].
    (rep-seq-from(s.f  m@m;m  +  1;f)  =  rep-seq-from(s;m;f))



Date html generated: 2017_04_20-AM-07_21_13
Last ObjectModification: 2017_02_27-PM-05_56_32

Theory : continuity


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