Nuprl Lemma : fdl-is-1_wf

∀[X:Type]. ∀[x:Point(free-dl(X))].  (fdl-is-1(x) ∈ 𝔹)


Proof




Definitions occuring in Statement :  fdl-is-1: fdl-is-1(x),  free-dl: free-dl(X),  lattice-point: Point(l),  bool: 𝔹,  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  lattice-point: Point(l),  record-select: r.x,  free-dl: free-dl(X),  mk-bounded-distributive-lattice: mk-bounded-distributive-lattice,  mk-bounded-lattice: mk-bounded-lattice(T;m;j;z;o),  record-update: r[x := v],  ifthenelse: if b then t else f fi ,  eq_atom: x =a y,  bfalse: ff,  btrue: tt,  free-dl-type: free-dl-type(X),  quotient: x,y:A//B[x; y],  all: ∀x:A. B[x],  prop: ℙ,  implies: P ⇒ Q,  cand: A c∧ B,  and: P ∧ Q,  squash: ↓T,  true: True,  subtype_rel: A ⊆r B,  bdd-distributive-lattice: BoundedDistributiveLattice,  so_lambda: λ2x.t[x],  so_apply: x[s],  uimplies: b supposing a,  guard: {T},  equiv_rel: EquivRel(T;x,y.E[x; y]),  refl: Refl(T;x,y.E[x; y]),  dlattice-eq: dlattice-eq(X;as;bs),  dlattice-order: as ⇒ bs,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  exists: ∃x:A. B[x],  or: P ∨ Q,  nil: [],  it: ⋅,  assert: ↑b,  cons: [a / b],  false: False,  l_contains: A ⊆ B,  l_all: (∀x∈L.P[x]),  top: Top,  int_seg: {i..j-},  lelt: i ≤ j < k,  le: A ≤ B,  less_than': less_than'(a;b),  not: ¬A,  nat_plus: ℕ+,  less_than: a < b,  decidable: Dec(P),  uiff: uiff(P;Q),  satisfiable_int_formula: satisfiable_int_formula(fmla),  ge: i ≥ j ,  fdl-is-1: fdl-is-1(x)
Lemmas referenced :  dlattice-eq-equiv,  list_wf,  dlattice-eq_wf,  bool_wf,  equal-wf-base,  member_wf,  squash_wf,  true_wf,  lattice-point_wf,  free-dl_wf,  subtype_rel_set,  bounded-lattice-structure_wf,  lattice-structure_wf,  lattice-axioms_wf,  bounded-lattice-structure-subtype,  bounded-lattice-axioms_wf,  uall_wf,  equal_wf,  lattice-meet_wf,  lattice-join_wf,  assert-bl-exists,  isaxiom_wf_list,  l_member_wf,  assert_wf,  bl-exists_wf,  l_exists_wf,  dlattice-order_wf,  l_all_iff,  l_contains_wf,  l_exists_iff,  exists_wf,  all_wf,  list-cases,  product_subtype_list,  length_of_cons_lemma,  false_wf,  add_nat_plus,  length_wf_nat,  less_than_wf,  nat_plus_wf,  nat_plus_properties,  decidable__lt,  add-is-int-iff,  satisfiable-full-omega-tt,  intformand_wf,  intformnot_wf,  intformless_wf,  itermConstant_wf,  itermVar_wf,  itermAdd_wf,  intformeq_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_less_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  int_formula_prop_wf,  lelt_wf,  length_wf,  null_nil_lemma,  btrue_wf,  member-implies-null-eq-bfalse,  nil_wf,  select_wf,  cons_wf,  non_neg_length,  intformle_wf,  int_formula_prop_le_lemma,  btrue_neq_bfalse,  iff_imp_equal_bool
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  sqequalRule,  cumulativity,  hypothesis,  promote_hyp,  lambdaFormation,  equalityTransitivity,  equalitySymmetry,  independent_pairFormation,  dependent_functionElimination,  pointwiseFunctionality,  pertypeElimination,  productElimination,  independent_functionElimination,  productEquality,  applyEquality,  lambdaEquality,  imageElimination,  because_Cache,  natural_numberEquality,  imageMemberEquality,  baseClosed,  instantiate,  universeEquality,  independent_isectElimination,  addLevel,  impliesFunctionality,  setElimination,  rename,  setEquality,  functionEquality,  allFunctionality,  levelHypothesis,  dependent_pairFormation,  unionElimination,  hypothesis_subsumption,  voidElimination,  isect_memberEquality,  voidEquality,  dependent_set_memberEquality,  applyLambdaEquality,  baseApply,  closedConclusion,  int_eqEquality,  intEquality,  computeAll,  addEquality

Latex:
\mforall{}[X:Type].  \mforall{}[x:Point(free-dl(X))].    (fdl-is-1(x)  \mmember{}  \mBbbB{})



Date html generated: 2020_05_20-AM-08_42_42
Last ObjectModification: 2017_07_28-AM-09_13_37

Theory : lattices


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