Nuprl Lemma : ratLegendre_wf

∀[x:ℤ × ℕ+]. ∀[n:ℕ].  (ratLegendre(n;x) ∈ {y:ℤ × ℕ+| ratreal(y) = Legendre(n;ratreal(x))} )


Proof




Definitions occuring in Statement :  ratLegendre: ratLegendre(n;x),  Legendre: Legendre(n;x),  ratreal: ratreal(r),  req: x = y,  nat_plus: ℕ+,  nat: ℕ,  uall: ∀[x:A]. B[x],  member: t ∈ T,  set: {x:A| B[x]} ,  product: x:A × B[x],  int: ℤ
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat_plus: ℕ+,  nat: ℕ,  ge: i ≥ j ,  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,  prop: ℙ,  false: False,  ratLegendre: ratLegendre(n;x),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  and: P ∧ Q,  ifthenelse: if b then t else f fi ,  bfalse: ff,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  le: A ≤ B,  less_than': less_than'(a;b),  int_upper: {i...},  int_seg: {i..j-},  lelt: i ≤ j < k,  subtract: n - m,  subtype_rel: A ⊆r B,  rneq: x ≠ y,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  less_than: a < b,  squash: ↓T,  true: True,  int_nzero: ℤ-o,  nequal: a ≠ b ∈ T ,  rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced :  nat_properties,  decidable__lt,  full-omega-unsat,  intformnot_wf,  intformless_wf,  itermConstant_wf,  istype-int,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_less_lemma,  int_term_value_constant_lemma,  int_formula_prop_wf,  istype-less_than,  req_wf,  ratreal_wf,  int-to-real_wf,  eq_int_wf,  eqtt_to_assert,  assert_of_eq_int,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_wf,  bool_subtype_base,  assert-bnot,  neg_assert_of_eq_int,  upper_subtype_nat,  istype-false,  nequal-le-implies,  zero-add,  istype-le,  ratLegendre-aux_wf,  int_upper_properties,  intformand_wf,  itermVar_wf,  intformle_wf,  int_formula_prop_and_lemma,  int_term_value_var_lemma,  int_formula_prop_le_lemma,  decidable__le,  itermAdd_wf,  int_term_value_add_lemma,  Legendre_1_lemma,  req_weakening,  Legendre_0_lemma,  Legendre_wf,  int_seg_subtype_nat,  subtract_wf,  int_seg_properties,  itermSubtract_wf,  int_term_value_subtract_lemma,  istype-nat,  nat_plus_wf,  rdiv_wf,  rless-int,  rless_wf,  req-int-fractions2,  int_subtype_base,  nequal_wf,  decidable__equal_int,  intformeq_wf,  itermMultiply_wf,  int_formula_prop_eq_lemma,  int_term_value_mul_lemma,  req_functionality,  ratreal-req
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  dependent_set_memberEquality_alt,  independent_pairEquality,  natural_numberEquality,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  setElimination,  rename,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  isect_memberEquality_alt,  voidElimination,  sqequalRule,  universeIsType,  inhabitedIsType,  lambdaFormation_alt,  equalityElimination,  equalityTransitivity,  equalitySymmetry,  productElimination,  equalityIstype,  promote_hyp,  instantiate,  cumulativity,  because_Cache,  hypothesis_subsumption,  independent_pairFormation,  int_eqEquality,  dependent_pairEquality_alt,  addEquality,  productIsType,  setIsType,  applyEquality,  axiomEquality,  isectIsTypeImplies,  closedConclusion,  inrFormation_alt,  imageMemberEquality,  baseClosed,  intEquality,  sqequalBase

Latex:
\mforall{}[x:\mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{}].  \mforall{}[n:\mBbbN{}].    (ratLegendre(n;x)  \mmember{}  \{y:\mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{}|  ratreal(y)  =  Legendre(n;ratreal(x))\}  )



Date html generated: 2019_10_30-AM-11_34_13
Last ObjectModification: 2019_01_10-PM-04_04_28

Theory : reals_2


Home Index