Nuprl Lemma : poly-zero-false

∀n:ℕ. ∀p:polynom(n).  (¬↑poly-zero(n;p) ⇐⇒ ∃l:{l:ℤ List| ||l|| = n ∈ ℤ} . (¬(l@p = 0 ∈ ℤ)))


Proof




Definitions occuring in Statement :  poly-int-val: l@p,  polynom: polynom(n),  poly-zero: poly-zero(n;p),  length: ||as||,  list: T List,  nat: ℕ,  assert: ↑b,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  iff: P ⇐⇒ Q,  not: ¬A,  set: {x:A| B[x]} ,  natural_number: $n,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  all: ∀x:A. B[x],  implies: P ⇒ Q,  member: t ∈ T,  uall: ∀[x:A]. B[x],  nat: ℕ,  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  and: P ∧ Q,  prop: ℙ,  iff: P ⇐⇒ Q,  subtype_rel: A ⊆r B,  rev_implies: P ⇐ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  less_than': less_than'(a;b),  le: A ≤ B,  btrue: tt,  ifthenelse: if b then t else f fi ,  subtract: n - m,  eq_int: (i =z j),  poly-zero: poly-zero(n;p),  polynom: polynom(n),  it: ⋅,  nil: [],  null: null(as),  poly-int-val: l@p,  nequal: a ≠ b ∈ T ,  uiff: uiff(P;Q),  cons: [a / b],  rev_uimplies: rev_uimplies(P;Q),  ge: i ≥ j ,  top: Top,  sq_type: SQType(T),  guard: {T},  bfalse: ff,  bool: 𝔹,  unit: Unit,  assert: ↑b,  true: True,  polyform-lead-nonzero: polyform-lead-nonzero(n;p),  nat_plus: ℕ+,  int_seg: {i..j-},  lelt: i ≤ j < k,  less_than: a < b,  squash: ↓T,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  select: L[n],  bnot: ¬bb,  sum_aux: sum_aux(k;v;i;x.f[x]),  sum: Σ(f[x] | x < k)
Lemmas referenced :  polynom_wf,  subtract_wf,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermSubtract_wf,  itermVar_wf,  intformless_wf,  istype-int,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_subtract_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  istype-le,  istype-assert,  poly-zero_wf,  polynom_subtype_polyform,  istype-void,  list_wf,  list_subtype_base,  int_subtype_base,  poly-int-val_wf2,  istype-less_than,  primrec-wf2,  iff_wf,  not_wf,  assert_wf,  equal-wf-base,  set_subtype_base,  le_wf,  istype-nat,  subtype_rel_self,  istype-false,  length_wf_nat,  eq_int_wf,  nil_wf,  length_nil,  neg_assert_of_eq_int,  product_subtype_list,  list-cases,  null_nil_lemma,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  itermAdd_wf,  intformeq_wf,  decidable__lt,  non_neg_length,  length_wf,  le_weakening2,  length_of_cons_lemma,  bnot_wf,  bool_wf,  null_wf,  bool_cases,  subtype_base_sq,  bool_subtype_base,  eqtt_to_assert,  assert_of_eq_int,  eqff_to_assert,  iff_transitivity,  iff_weakening_uiff,  assert_of_bnot,  uiff_transitivity,  null_cons_lemma,  reduce_hd_cons_lemma,  add_nat_plus,  nat_plus_properties,  add-is-int-iff,  false_wf,  sum-nat,  absval_wf,  int_seg_properties,  select_wf,  int_seg_wf,  add_nat_wf,  nat_properties,  cons_wf,  decidable__equal_int,  spread_cons_lemma,  equal_wf,  squash_wf,  true_wf,  istype-universe,  sum_split_first,  polynom-subtype-list,  exp_wf2,  iff_weakening_equal,  sum_wf,  add-subtract-cancel,  sum_le,  absval_mul,  exp_add,  int_seg_subtype_nat,  select_cons_tl,  exp_wf_nat_plus,  mul_preserves_le,  mul_bounds_1a,  mul-one,  mul-associates,  minus-add,  minus-one-mul,  mul-commutes,  mul-swap,  itermMultiply_wf,  int_term_value_mul_lemma,  add-swap,  add-commutes,  absval_pos,  exp_wf4,  less_than_functionality,  absval_sum,  le_weakening,  sum_scalar_mult,  less_than_wf,  mul_preserves_lt,  exp_step,  less_than_transitivity2,  istype-top,  assert-bnot,  bool_cases_sqequal,  assert_of_lt_int,  lt_int_wf,  sum-unroll,  int_term_value_minus_lemma,  itermMinus_wf,  multiply-is-int-iff,  absval-positive,  istype-base,  stuck-spread,  length_of_nil_lemma
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation_alt,  cut,  thin,  rename,  setElimination,  sqequalRule,  functionIsType,  universeIsType,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  dependent_set_memberEquality_alt,  hypothesisEquality,  natural_numberEquality,  hypothesis,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  Error :memTop,  independent_pairFormation,  voidElimination,  productIsType,  applyEquality,  setIsType,  intEquality,  equalityIstype,  inhabitedIsType,  baseApply,  closedConclusion,  baseClosed,  sqequalBase,  equalitySymmetry,  because_Cache,  functionEquality,  productEquality,  setEquality,  equalityTransitivity,  equalityIsType4,  productElimination,  hypothesis_subsumption,  promote_hyp,  isect_memberEquality_alt,  instantiate,  cumulativity,  equalityElimination,  applyLambdaEquality,  pointwiseFunctionality,  imageElimination,  addEquality,  universeEquality,  multiplyEquality,  imageMemberEquality,  minusEquality,  equalityIsType1,  axiomSqEquality,  isect_memberFormation_alt,  lessCases

Latex:
\mforall{}n:\mBbbN{}.  \mforall{}p:polynom(n).    (\mneg{}\muparrow{}poly-zero(n;p)  \mLeftarrow{}{}\mRightarrow{}  \mexists{}l:\{l:\mBbbZ{}  List|  ||l||  =  n\}  .  (\mneg{}(l@p  =  0)))



Date html generated: 2020_05_19-PM-09_52_08
Last ObjectModification: 2019_12_31-PM-00_15_19

Theory : integer!polynomials


Home Index