Nuprl Lemma : norm-factors_wf

∀[L:ℕ List]. (norm-factors(L) ∈ ℕ List)


Proof




Definitions occuring in Statement :  norm-factors: norm-factors(L),  list: T List,  nat: ℕ,  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  norm-factors: norm-factors(L),  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  le: A ≤ B,  and: P ∧ Q,  less_than': less_than'(a;b),  false: False,  not: ¬A,  implies: P ⇒ Q,  prop: ℙ,  so_lambda: λ2x y.t[x; y],  spreadn: spread3,  all: ∀x:A. B[x],  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  ifthenelse: if b then t else f fi ,  uiff: uiff(P;Q),  uimplies: b supposing a,  has-value: (a)↓,  ge: i ≥ j ,  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  top: Top,  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  so_apply: x[s1;s2]
Lemmas referenced :  list_accum_wf,  list_wf,  nil_wf,  false_wf,  le_wf,  eq_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_int,  value-type-has-value,  int-value-type,  nat_properties,  decidable__le,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermAdd_wf,  itermVar_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_add_lemma,  int_term_value_var_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,  cons_wf,  exp_wf4,  nat_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  because_Cache,  productEquality,  hypothesis,  independent_pairEquality,  dependent_set_memberEquality,  natural_numberEquality,  independent_pairFormation,  lambdaFormation,  hypothesisEquality,  lambdaEquality,  productElimination,  setElimination,  rename,  unionElimination,  equalityElimination,  independent_isectElimination,  callbyvalueReduce,  intEquality,  addEquality,  dependent_functionElimination,  dependent_pairFormation,  int_eqEquality,  isect_memberEquality,  voidElimination,  voidEquality,  computeAll,  equalityTransitivity,  equalitySymmetry,  promote_hyp,  instantiate,  cumulativity,  independent_functionElimination,  axiomEquality

Latex:
\mforall{}[L:\mBbbN{}  List].  (norm-factors(L)  \mmember{}  \mBbbN{}  List)



Date html generated: 2018_05_21-PM-07_42_09
Last ObjectModification: 2017_07_26-PM-05_19_41

Theory : general


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