Nuprl Lemma : unsat-omega_step

∀p:IntConstraints. (unsat(omega_step(p)) ⇒ unsat(p))


Proof




Definitions occuring in Statement :  omega_step: omega_step(p),  unsat-int-problem: unsat(p),  int-constraint-problem: IntConstraints,  all: ∀x:A. B[x],  implies: P ⇒ Q
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  member: t ∈ T,  uall: ∀[x:A]. B[x],  subtype_rel: A ⊆r B,  nat: ℕ,  decidable: Dec(P),  or: P ∨ Q,  omega_step: omega_step(p),  less_than: a < b,  and: P ∧ Q,  less_than': less_than'(a;b),  top: Top,  true: True,  squash: ↓T,  not: ¬A,  false: False,  prop: ℙ,  int-constraint-problem: IntConstraints,  tunion: ⋃x:A.B[x],  pi2: snd(t),  int-problem-dimension: dim(p),  uimplies: b supposing a,  sq_type: SQType(T),  guard: {T},  so_lambda: λ2x.t[x],  so_apply: x[s],  nil: [],  it: ⋅,  first-success: first-success(f;L),  list_ind: list_ind,  gcd-reduce-eq-constraints: gcd-reduce-eq-constraints(sat;LL),  accumulate_abort: accumulate_abort(x,sofar.F[x; sofar];s;L),  eager-accum: eager-accum(x,a.f[x; a];y;l),  exact-reduce-constraints: exact-reduce-constraints(w;j;L),  evalall: evalall(t),  map: map(f;as),  ifthenelse: if b then t else f fi ,  btrue: tt,  cons: [a / b],  subtract: n - m,  bfalse: ff,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  uiff: uiff(P;Q),  le: A ≤ B,  unsat-int-problem: unsat(p),  satisfies-int-constraint-problem: xs |= p,  int_seg: {i..j-},  sq_stable: SqStable(P),  lelt: i ≤ j < k,  unit: Unit,  exact-eq-constraint: exact-eq-constraint(eqs;i;j),  satisfiable-integer-problem: satisfiable(eqs;ineqs),  exists: ∃x:A. B[x],  satisfies-integer-problem: satisfies-integer-problem(eqs;ineqs;xs),  gcd-reduce-ineq-constraints: gcd-reduce-ineq-constraints(sat;LL),  cand: A c∧ B,  satisfies-integer-inequality: xs ⋅ as ≥0,  nat_plus: ℕ+,  listp: A List+,  isl: isl(x),  outl: outl(x),  assert: ↑b,  satisfies-integer-equality: xs ⋅ as =0,  bool: 𝔹,  bnot: ¬bb,  int_upper: {i...}
Lemmas referenced :  decidable__lt,  int-problem-dimension_wf,  nat_wf,  top_wf,  less_than_wf,  decidable__equal_int,  subtype_base_sq,  int_subtype_base,  set_wf,  list_wf,  equal_wf,  length_wf,  list-cases,  null_nil_lemma,  product_subtype_list,  reduce_hd_cons_lemma,  subtract_wf,  null_cons_lemma,  false_wf,  not-lt-2,  le_antisymmetry_iff,  condition-implies-le,  add-associates,  add-commutes,  add-swap,  add_functionality_wrt_le,  zero-add,  le-add-cancel,  first-success_wf,  equal-wf-base-T,  equal-wf-base,  list_subtype_base,  set_subtype_base,  int_seg_wf,  equal-wf-T-base,  absval_wf,  select_wf,  decidable__le,  not-le-2,  sq_stable__le,  minus-add,  minus-one-mul,  minus-one-mul-top,  find-exact-eq-constraint_wf,  add-zero,  unit_wf2,  l_all_wf,  l_member_wf,  satisfies-integer-equality_wf,  satisfies-integer-inequality_wf,  unsat-int-problem_wf,  omega_step_wf,  int-constraint-problem_wf,  satisfiable-exact-reduce-constraints,  subtype_rel_list,  lelt_wf,  satisfies-integer-problem_wf,  exact-reduce-constraints_wf2,  satisfiable-integer-problem_wf,  nil_wf,  l_all_nil,  all_wf,  not_wf,  l_all_wf_nil,  l_all_cons,  satisfies-gcd-reduce-ineq-constraints,  not-equal-2,  minus-zero,  cons_wf,  gcd-reduce-ineq-constraints_wf,  listp_wf,  subtype_rel_sets,  minus-minus,  true_wf,  satisfies-gcd-reduce-eq-constraints,  gcd-reduce-eq-constraints_wf,  null_wf,  bool_wf,  eqtt_to_assert,  assert_of_null,  eqff_to_assert,  bool_cases_sqequal,  bool_subtype_base,  assert-bnot,  satisfies-shadow_inequalities,  le-add-cancel2,  le_wf,  shadow_inequalities_wf,  exists_wf,  satisfiable-elim-eq-constraints,  append_wf,  eager-map_wf,  set-value-type,  list-value-type,  int-value-type,  map-length,  map_wf,  eager-map-is-map
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  isectElimination,  hypothesisEquality,  hypothesis,  applyEquality,  lambdaEquality,  setElimination,  rename,  sqequalRule,  natural_numberEquality,  unionElimination,  because_Cache,  lessCases,  isect_memberFormation,  sqequalAxiom,  isect_memberEquality,  independent_pairFormation,  voidElimination,  voidEquality,  imageMemberEquality,  baseClosed,  imageElimination,  productElimination,  independent_functionElimination,  instantiate,  cumulativity,  intEquality,  independent_isectElimination,  equalityTransitivity,  equalitySymmetry,  addEquality,  promote_hyp,  hypothesis_subsumption,  minusEquality,  setEquality,  baseApply,  closedConclusion,  productEquality,  unionEquality,  equalityElimination,  dependent_set_memberEquality,  addLevel,  levelHypothesis,  dependent_pairFormation,  inlEquality,  dependent_pairEquality,  independent_pairEquality

Latex:
\mforall{}p:IntConstraints.  (unsat(omega\_step(p))  {}\mRightarrow{}  unsat(p))



Date html generated: 2018_05_21-PM-00_24_35
Last ObjectModification: 2018_05_19-AM-06_58_23

Theory : omega


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