Nuprl Lemma : decidable__q-constraints

∀k:ℕ. ∀A:(ℕ ⟶ ℚ × ℤ) List.  Dec(∃y:ℚ List [q-constraints(k;A;y)])


Proof




Definitions occuring in Statement :  q-constraints: q-constraints(k;A;y),  rationals: ℚ,  list: T List,  nat: ℕ,  decidable: Dec(P),  all: ∀x:A. B[x],  sq_exists: ∃x:A [B[x]],  function: x:A ⟶ B[x],  product: x:A × B[x],  int: ℤ
Definitions unfolded in proof :  subtype_rel: A ⊆r B,  so_apply: x[s1;s2],  so_lambda: λ2x y.t[x; y],  sq_exists: ∃x:A [B[x]],  top: Top,  false: False,  satisfiable_int_formula: satisfiable_int_formula(fmla),  not: ¬A,  or: P ∨ Q,  decidable: Dec(P),  ge: i ≥ j ,  less_than: a < b,  le: A ≤ B,  and: P ∧ Q,  lelt: i ≤ j < k,  int_seg: {i..j-},  nat: ℕ,  prop: ℙ,  squash: ↓T,  exists: ∃x:A. B[x],  so_apply: x[s],  so_lambda: λ2x.t[x],  uimplies: b supposing a,  member: t ∈ T,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  all: ∀x:A. B[x],  guard: {T},  sq_type: SQType(T),  iff: P ⇐⇒ Q,  cand: A c∧ B,  rev_implies: P ⇐ Q,  true: True,  q-constraints: q-constraints(k;A;y),  less_than': less_than'(a;b),  bool: 𝔹,  ifthenelse: if b then t else f fi ,  q-rel: q-rel(r;x),  sq_stable: SqStable(P),  pi1: fst(t),  pi2: snd(t),  cons: [a / b],  l_all: (∀x∈L.P[x]),  nat_plus: ℕ+,  select: L[n],  qsub: r - s,  qdiv: (r/s),  uiff: uiff(P;Q),  evalall: evalall(t),  callbyvalueall: callbyvalueall,  qmul: r * s,  bfalse: ff,  it: ⋅,  unit: Unit,  btrue: tt,  eq_int: (i =z j),  q-rel-lub: q-rel-lub(r1;r2),  rev_uimplies: rev_uimplies(P;Q),  band: p ∧b q,  mapfilter: mapfilter(f;P;L),  assert: ↑b,  qeq: qeq(r;s),  qbetween: a ≤ b ≤ c,  q-between: a < b < c,  bnot: ¬bb,  lt_int: i <z j,  qadd: r + s,  qpositive: qpositive(r),  bor: p ∨bq,  q_le: q_le(r;s),  qadd_grp: <ℚ+>,  grp_le: ≤b,  dset_of_mon: g↓set,  oset_of_ocmon: g↓oset,  set_le: ≤b,  infix_ap: x f y,  set_blt: a <b b,  set_lt: a <p b,  grp_lt: a < b,  qless: r < s
Lemmas referenced :  subtype_rel_self,  subtype_rel_function,  natrec_wf,  istype-nat,  istype-le,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_and_lemma,  istype-int,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  full-omega-unsat,  decidable__le,  nat_properties,  int_seg_properties,  int_seg_wf,  q-constraints_wf,  sq_exists_wf,  decidable_wf,  valueall-type-value-type,  equal_wf,  set-value-type,  evalall-reduce,  list_wf,  int-valueall-type,  rationals-value-type,  function-valueall-type,  product-valueall-type,  rationals_wf,  nat_wf,  list-valueall-type,  int_subtype_base,  subtype_base_sq,  decidable__equal_int,  iff_weakening_equal,  q-linear-base,  q-rel_wf,  l_all_wf2,  istype-universe,  true_wf,  squash_wf,  l_member_wf,  top_wf,  subtype_rel_product,  pi1_wf_top,  pi2_wf,  le_wf,  set_subtype_base,  length_wf_nat,  equal-wf-base,  decidable__q-rel,  decidable__l_all-better-extract,  length_of_nil_lemma,  nil_wf,  ifthenelse_wf,  qless_wf,  qless_witness,  qle_wf,  qle_witness,  eq_int_wf,  sq_stable_from_decidable,  sq_stable__l_all,  istype-less_than,  int_formula_prop_less_lemma,  intformless_wf,  decidable__lt,  int_formula_prop_eq_lemma,  int_term_value_subtract_lemma,  intformeq_wf,  itermSubtract_wf,  subtract_wf,  evalall-equal,  member_wf,  int-subtype-rationals,  decidable__equal_rationals,  decidable__not,  decidable__cand,  equal-wf-T-base,  not_wf,  decidable__l_exists_better-extract,  l_exists_iff,  qdiv_wf,  qmul_wf,  qsub_wf,  map_wf,  product_subtype_list,  list-cases,  q-linear_wf,  cons_wf,  append_wf,  int_term_value_add_lemma,  itermAdd_wf,  length_of_cons_lemma,  length-append,  length_wf,  select_wf,  subtype_rel_list,  select-map,  map-length,  q-linear-unroll,  select_append_back,  qadd_wf,  select_append_front,  q-linear-equal,  q-linear-times,  q-linear-sum,  qmul_comm_qrng,  qmul_ac_1_qrng,  qmul_assoc_qrng,  qmul_over_minus_qrng,  istype-assert,  assert-qeq,  qeq_wf2,  assert_wf,  iff_weakening_uiff,  qinv_wf,  sq_stable__equal,  sq_stable__and,  assert_of_null,  null_wf3,  length_of_not_nil,  last_lemma,  false_wf,  add-is-int-iff,  last_wf,  length_append,  l_all_iff,  member_map,  less_than_wf,  q-constraint-times,  q-constraint-sum,  assert_of_bnot,  eqff_to_assert,  iff_transitivity,  assert_of_eq_int,  eqtt_to_assert,  uiff_transitivity,  bnot_wf,  bool_wf,  q-constraint-zero,  qmul_assoc,  qmul_com,  qmul_inv,  qadd_minus,  qmul_ident,  product-map,  member_filter,  l_exists_wf,  q-rel-lub_wf,  q_less_wf,  filter_wf5,  assert-q_less-eq,  member_append,  normalize-constraints-eq,  normalize-constraints_wf,  decidable__qless,  qless_irreflexivity,  qle_weakening_eq_qorder,  qless_transitivity_2_qorder,  qneginv-positive,  qinv-positive,  qmul-positive,  qinv_inv_q,  qmul_one_qrng,  qmul-qdiv-cancel2,  qmul-qdiv-cancel4,  qmul_over_plus_qrng,  qadd_comm_q,  assert_of_bor,  bnot_thru_band,  assert_of_band,  bor_wf,  bfalse_wf,  btrue_wf,  band_wf,  bool_subtype_base,  bool_cases,  qle_weakening_lt_qorder,  int_formula_prop_or_lemma,  intformor_wf,  mapfilter_wf,  q-max-exists,  null-map,  member_null,  member_map_filter,  q-min-exists,  length-singleton,  qle-minus,  qinverse_q,  qadd_preserves_qle,  average-qbetween,  mon_ident_q,  qadd_ac_1_q,  qle_transitivity_qorder,  qadd_preserves_qless,  qle_antisymmetry,  qless_complement_qorder,  average-q-between,  qless_transitivity_1_qorder,  qadd_inv_assoc_q,  qadd_com,  qless_trichot_qorder,  q-constraint-positive,  q-constraint-negative,  mon_assoc_q,  qmul_zero_qrng,  uiff_transitivity2,  qinv_id_q,  qless-minus
Rules used in proof :  functionExtensionality,  applyEquality,  voidElimination,  isect_memberEquality_alt,  int_eqEquality,  dependent_pairFormation_alt,  approximateComputation,  unionElimination,  imageElimination,  productElimination,  natural_numberEquality,  applyLambdaEquality,  hyp_replacement,  dependent_functionElimination,  because_Cache,  rename,  setElimination,  equalityIstype,  dependent_set_memberEquality_alt,  cutEval,  equalitySymmetry,  equalityTransitivity,  baseClosed,  imageMemberEquality,  independent_pairFormation,  independent_functionElimination,  universeIsType,  hypothesisEquality,  inhabitedIsType,  functionIsType,  lambdaEquality_alt,  sqequalRule,  independent_isectElimination,  intEquality,  hypothesis,  functionEquality,  productEquality,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  introduction,  thin,  cut,  lambdaFormation_alt,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution,  cumulativity,  instantiate,  universeEquality,  productIsType,  setIsType,  inrFormation_alt,  sqequalBase,  inlFormation_alt,  dependent_set_memberFormation_alt,  functionIsTypeImplies,  axiomEquality,  isect_memberFormation_alt,  promote_hyp,  independent_pairEquality,  spreadEquality,  hypothesis_subsumption,  closedConclusion,  minusEquality,  equalityElimination,  addEquality,  baseApply,  pointwiseFunctionality,  unionIsType,  unionEquality,  Error :memTop

Latex:
\mforall{}k:\mBbbN{}.  \mforall{}A:(\mBbbN{}  {}\mrightarrow{}  \mBbbQ{}  \mtimes{}  \mBbbZ{})  List.    Dec(\mexists{}y:\mBbbQ{}  List  [q-constraints(k;A;y)])



Date html generated: 2020_05_20-AM-09_30_24
Last ObjectModification: 2020_02_01-AM-11_56_25

Theory : rationals


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