Nuprl Lemma : KleeneM_wf

∀[T:{T:Type| (T ⊆r ℕ) ∧ (↓T)} ]. ∀[F:(ℕ ⟶ T) ⟶ ℕ]. ∀[f:ℕ ⟶ T].
  (KleeneM(F;f) ∈ ⇃({m:ℕ+| ∀g:ℕ ⟶ T. ((g = f ∈ (ℕm ⟶ T)) ⇒ ((F g) = (F f) ∈ ℤ))} ))


Proof




Definitions occuring in Statement :  KleeneM: KleeneM(F;f),  quotient: x,y:A//B[x; y],  int_seg: {i..j-},  nat_plus: ℕ+,  nat: ℕ,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  squash: ↓T,  implies: P ⇒ Q,  and: P ∧ Q,  true: True,  member: t ∈ T,  set: {x:A| B[x]} ,  apply: f a,  function: x:A ⟶ B[x],  natural_number: $n,  int: ℤ,  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  KleeneM: KleeneM(F;f),  and: P ∧ Q,  prop: ℙ,  nat: ℕ,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  top: Top,  false: False,  subtype_rel: A ⊆r B,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  so_lambda: λ2x.t[x],  so_apply: x[s],  nat_plus: ℕ+,  cand: A c∧ B,  le: A ≤ B,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  uiff: uiff(P;Q),  less_than': less_than'(a;b),  true: True
Lemmas referenced :  KleeneSearch_wf,  subtype_rel_wf,  nat_wf,  squash_wf,  Kleene-M_wf,  decidable__le,  full-omega-unsat,  intformnot_wf,  intformle_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  istype-le,  quotient_subtype_quotient,  subtype_rel_sets,  decidable__lt,  istype-false,  not-lt-2,  add_functionality_wrt_le,  add-commutes,  zero-add,  le-add-cancel,  int_seg_wf,  subtype_rel_function,  int_seg_subtype_nat,  subtype_rel_self,  set_subtype_base,  le_wf,  int_subtype_base,  istype-nat,  equiv_rel_true,  true_wf,  istype-universe
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :isect_memberFormation_alt,  introduction,  cut,  setElimination,  thin,  rename,  sqequalRule,  sqequalHypSubstitution,  productElimination,  extract_by_obid,  isectElimination,  Error :dependent_set_memberEquality_alt,  hypothesisEquality,  independent_pairFormation,  hypothesis,  Error :productIsType,  Error :universeIsType,  because_Cache,  natural_numberEquality,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  Error :dependent_pairFormation_alt,  Error :lambdaEquality_alt,  Error :isect_memberEquality_alt,  voidElimination,  applyEquality,  Error :lambdaFormation_alt,  Error :equalityIstype,  Error :functionIsType,  Error :inhabitedIsType,  intEquality,  sqequalBase,  equalitySymmetry,  Error :setIsType,  axiomEquality,  equalityTransitivity,  Error :isectIsTypeImplies,  instantiate,  universeEquality

Latex:
\mforall{}[T:\{T:Type|  (T  \msubseteq{}r  \mBbbN{})  \mwedge{}  (\mdownarrow{}T)\}  ].  \mforall{}[F:(\mBbbN{}  {}\mrightarrow{}  T)  {}\mrightarrow{}  \mBbbN{}].  \mforall{}[f:\mBbbN{}  {}\mrightarrow{}  T].
    (KleeneM(F;f)  \mmember{}  \00D9(\{m:\mBbbN{}\msupplus{}|  \mforall{}g:\mBbbN{}  {}\mrightarrow{}  T.  ((g  =  f)  {}\mRightarrow{}  ((F  g)  =  (F  f)))\}  ))



Date html generated: 2019_06_20-PM-02_51_12
Last ObjectModification: 2019_02_11-AM-11_26_26

Theory : continuity


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