Nuprl Lemma : eq_seq_wf

∀[T:Type]. ∀[eq:T ⟶ T ⟶ 𝔹].  (eq_seq(eq) ∈ (k:ℕ × (ℕk ⟶ T)) ⟶ (k:ℕ × (ℕk ⟶ T)) ⟶ 𝔹)


Proof




Definitions occuring in Statement :  eq_seq: eq_seq(eq),  int_seg: {i..j-},  nat: ℕ,  bool: 𝔹,  uall: ∀[x:A]. B[x],  member: t ∈ T,  function: x:A ⟶ B[x],  product: x:A × B[x],  natural_number: $n,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  eq_seq: eq_seq(eq),  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,  band: p ∧b q,  ifthenelse: if b then t else f fi ,  int_seg: {i..j-},  lelt: i ≤ j < k,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  top: Top,  prop: ℙ,  le: A ≤ B,  less_than: a < b,  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b
Lemmas referenced :  eq_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_int,  primrec_wf,  btrue_wf,  int_seg_wf,  nat_properties,  decidable__lt,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformless_wf,  itermVar_wf,  intformeq_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_less_lemma,  int_term_value_var_lemma,  int_formula_prop_eq_lemma,  int_formula_prop_wf,  lelt_wf,  equal_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  bfalse_wf,  nat_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lambdaEquality,  spreadEquality,  hypothesisEquality,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesis,  lambdaFormation,  unionElimination,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  productElimination,  independent_isectElimination,  sqequalRule,  applyEquality,  functionExtensionality,  cumulativity,  natural_numberEquality,  because_Cache,  dependent_set_memberEquality,  independent_pairFormation,  dependent_functionElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  computeAll,  independent_functionElimination,  promote_hyp,  instantiate,  productEquality,  functionEquality,  axiomEquality,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[eq:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbB{}].    (eq\_seq(eq)  \mmember{}  (k:\mBbbN{}  \mtimes{}  (\mBbbN{}k  {}\mrightarrow{}  T))  {}\mrightarrow{}  (k:\mBbbN{}  \mtimes{}  (\mBbbN{}k  {}\mrightarrow{}  T))  {}\mrightarrow{}  \mBbbB{})



Date html generated: 2018_05_21-PM-07_42_00
Last ObjectModification: 2017_07_26-PM-05_15_52

Theory : general


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