Nuprl Lemma : FOL-abstract_wf

∀[fmla:mFOL()]. (FOL-abstract(fmla) ∈ AbstractFOFormula+(mFOL-freevars(fmla)))


Proof




Definitions occuring in Statement :  FOL-abstract: FOL-abstract(fmla),  mFOL-freevars: mFOL-freevars(fmla),  mFOL: mFOL(),  AbstractFOFormula+: AbstractFOFormula+(vs),  uall: ∀[x:A]. B[x],  member: t ∈ 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 ,  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,  guard: {T},  subtype_rel: A ⊆r B,  int_seg: {i..j-},  lelt: i ≤ j < k,  decidable: Dec(P),  or: P ∨ Q,  le: A ≤ B,  less_than': less_than'(a;b),  ext-eq: A ≡ B,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  sq_type: SQType(T),  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  mFOatomic: name(vars),  mFOL_size: mFOL_size(p),  spreadn: spread3,  bfalse: ff,  bnot: ¬bb,  assert: ↑b,  mFOconnect: mFOconnect(knd;left;right),  cand: A c∧ B,  less_than: a < b,  squash: ↓T,  mFOquant: mFOquant(isall;var;body),  FOL-abstract: FOL-abstract(fmla),  mFOL-freevars: mFOL-freevars(fmla),  mFOL_ind: mFOL_ind,  AbstractFOFormula+: AbstractFOFormula+(vs),  so_lambda: λ2x.t[x],  so_apply: x[s],  l_contains: A ⊆ B,  l_all: (∀x∈L.P[x]),  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q
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,  le_wf,  mFOL_size_wf,  mFOL_wf,  int_seg_wf,  int_seg_properties,  decidable__le,  subtract_wf,  intformnot_wf,  itermSubtract_wf,  int_formula_prop_not_lemma,  int_term_value_subtract_lemma,  decidable__equal_int,  int_seg_subtype,  false_wf,  intformeq_wf,  int_formula_prop_eq_lemma,  mFOL-ext,  eq_atom_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_atom,  subtype_base_sq,  atom_subtype_base,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_atom,  decidable__lt,  itermAdd_wf,  int_term_value_add_lemma,  lelt_wf,  nat_wf,  AbstractFOAtomic+_wf,  FOStruct+_wf,  FOAssignment_wf,  remove-repeats_wf,  int-deq_wf,  subtype_rel_self,  subtype_rel_dep_function,  subtype_rel_FOAssignment,  remove-repeats_property,  select_wf,  length_wf,  select_member,  FOConnective+_wf,  mFOL-freevars_wf,  FOQuantifier+_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  thin,  lambdaFormation,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  hypothesisEquality,  hypothesis,  setElimination,  rename,  sqequalRule,  intWeakElimination,  natural_numberEquality,  independent_isectElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  independent_functionElimination,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  applyEquality,  because_Cache,  productElimination,  unionElimination,  applyLambdaEquality,  hypothesis_subsumption,  dependent_set_memberEquality,  promote_hyp,  tokenEquality,  equalityElimination,  instantiate,  cumulativity,  atomEquality,  imageElimination,  addEquality,  universeEquality,  functionEquality

Latex:
\mforall{}[fmla:mFOL()].  (FOL-abstract(fmla)  \mmember{}  AbstractFOFormula+(mFOL-freevars(fmla)))



Date html generated: 2018_05_21-PM-10_23_04
Last ObjectModification: 2017_07_26-PM-06_38_17

Theory : minimal-first-order-logic


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