Nuprl Lemma : qrep_wf

∀[r:ℚ]. (qrep(r) ∈ ℤ × ℕ+)


Proof




Definitions occuring in Statement :  qrep: qrep(r),  rationals: ℚ,  nat_plus: ℕ+,  uall: ∀[x:A]. B[x],  member: t ∈ T,  product: x:A × B[x],  int: ℤ
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  rationals: ℚ,  quotient: x,y:A//B[x; y],  and: P ∧ Q,  all: ∀x:A. B[x],  implies: P ⇒ Q,  b-union: A ⋃ B,  tunion: ⋃x:A.B[x],  bool: 𝔹,  unit: Unit,  ifthenelse: if b then t else f fi ,  pi2: snd(t),  qrep: qrep(r),  qeq: qeq(r;s),  uimplies: b supposing a,  callbyvalueall: callbyvalueall,  has-value: (a)↓,  has-valueall: has-valueall(a),  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  so_apply: x[s],  int_nzero: ℤ-o,  bfalse: ff,  btrue: tt,  iff: P ⇐⇒ Q,  false: False,  prop: ℙ,  top: Top,  exists: ∃x:A. B[x],  satisfiable_int_formula: satisfiable_int_formula(fmla),  not: ¬A,  or: P ∨ Q,  decidable: Dec(P),  nat_plus: ℕ+,  nat: ℕ,  spreadn: spread3,  ge: i ≥ j ,  coprime: CoPrime(a,b),  guard: {T},  sq_type: SQType(T),  nequal: a ≠ b ∈ T ,  cand: A c∧ B,  gcd_p: GCD(a;b;y),  it: ⋅,  uiff: uiff(P;Q),  less_than': less_than'(a;b),  squash: ↓T,  less_than: a < b,  rev_implies: P ⇐ Q,  gt: i > j,  pi1: fst(t),  true: True,  assert: ↑b,  bnot: ¬bb
Lemmas referenced :  nat_plus_wf,  bool_wf,  qeq_wf,  btrue_wf,  b-union_wf,  int_nzero_wf,  rationals_wf,  valueall-type-has-valueall,  int-valueall-type,  evalall-reduce,  assert_wf,  eq_int_wf,  equal-wf-base,  int_subtype_base,  istype-assert,  product-valueall-type,  set-valueall-type,  nequal_wf,  set_subtype_base,  iff_weakening_uiff,  assert_of_eq_int,  eqtt_to_assert,  istype-less_than,  int_formula_prop_wf,  int_term_value_constant_lemma,  int_formula_prop_less_lemma,  istype-void,  int_formula_prop_not_lemma,  istype-int,  itermConstant_wf,  intformless_wf,  intformnot_wf,  full-omega-unsat,  decidable__lt,  coprime_wf,  le_wf,  gcd_reduce_wf,  gcd_reduce_property,  decidable__equal_int,  nat_properties,  int_nzero_properties,  mul_cancel_in_eq,  int_term_value_mul_lemma,  int_term_value_var_lemma,  int_formula_prop_eq_lemma,  int_formula_prop_and_lemma,  itermMultiply_wf,  itermVar_wf,  intformeq_wf,  intformand_wf,  subtype_base_sq,  divides_wf,  one_divs_any,  bnot_wf,  less_than_wf,  lt_int_wf,  le_int_wf,  uiff_transitivity,  assert_of_le_int,  eqff_to_assert,  assert_functionality_wrt_uiff,  bnot_of_le_int,  assert_of_lt_int,  int_formula_prop_le_lemma,  intformle_wf,  coprime-equiv-unique-pair,  int_formula_prop_or_lemma,  int_formual_prop_imp_lemma,  intformor_wf,  intformimplies_wf,  neg_mul_arg_bounds,  pi1_wf_top,  pi2_wf,  minus-minus,  divides_invar_2,  int_term_value_minus_lemma,  itermMinus_wf,  pos_mul_arg_bounds,  istype-universe,  true_wf,  squash_wf,  equal_wf,  mul_nzero,  mul-associates,  mul-swap,  mul-commutes,  subtype_rel_self,  iff_weakening_equal,  istype-le,  assert-bnot,  bool_subtype_base,  bool_cases_sqequal,  ifthenelse_wf,  gt_wf,  product_subtype_base
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  sqequalHypSubstitution,  pointwiseFunctionalityForEquality,  productEquality,  intEquality,  thin,  extract_by_obid,  hypothesis,  sqequalRule,  pertypeElimination,  promote_hyp,  productElimination,  equalityTransitivity,  equalitySymmetry,  inhabitedIsType,  lambdaFormation_alt,  imageElimination,  unionElimination,  equalityElimination,  independent_functionElimination,  equalityIstype,  universeIsType,  isectElimination,  hypothesisEquality,  dependent_functionElimination,  productIsType,  because_Cache,  sqequalBase,  axiomEquality,  independent_isectElimination,  callbyvalueReduce,  applyEquality,  baseApply,  closedConclusion,  baseClosed,  lambdaEquality_alt,  natural_numberEquality,  independent_pairEquality,  multiplyEquality,  setElimination,  rename,  isintReduceTrue,  voidElimination,  isect_memberEquality_alt,  dependent_pairFormation_alt,  approximateComputation,  dependent_set_memberEquality_alt,  applyLambdaEquality,  independent_pairFormation,  int_eqEquality,  cumulativity,  instantiate,  minusEquality,  imageMemberEquality,  Error :memTop,  universeEquality,  hyp_replacement,  functionIsType,  inlFormation_alt,  inrFormation_alt

Latex:
\mforall{}[r:\mBbbQ{}].  (qrep(r)  \mmember{}  \mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{})



Date html generated: 2020_05_20-AM-09_13_13
Last ObjectModification: 2019_12_31-PM-04_58_21

Theory : rationals


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