Nuprl Lemma : polynom-equal-iff

∀[n:ℕ]. ∀[p,q:polynom(n)].  uiff(p = q ∈ polynom(n);∀l:{l:ℤ List| ||l|| = n ∈ ℤ} . (p@l = q@l ∈ ℤ))


Proof




Definitions occuring in Statement :  poly-int-val: p@l,  polynom: polynom(n),  length: ||as||,  list: T List,  nat: ℕ,  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  set: {x:A| B[x]} ,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  so_apply: x[s1;s2;s3],  so_lambda: so_lambda(x,y,z.t[x; y; z]),  rm-zeros: rm-zeros(n;p),  so_apply: x[s1;s2],  so_lambda: λ2x y.t[x; y],  less_than: a < b,  cons: [a / b],  nat_plus: ℕ+,  has-valueall: has-valueall(a),  has-value: (a)↓,  callbyvalueall: callbyvalueall,  label: ...$L... t,  polyform-lead-nonzero: polyform-lead-nonzero(n;p),  nequal: a ≠ b ∈ T ,  assert: ↑b,  bnot: ¬bb,  sq_type: SQType(T),  bfalse: ff,  it: ⋅,  unit: Unit,  bool: 𝔹,  poly-zero: poly-zero(n;p),  add-polynom: add-polynom(n;rmz;p;q),  minus-polynom: minus-polynom(n;p),  subtract: n - m,  polyform: polyform(n),  btrue: tt,  eq_int: (i =z j),  ifthenelse: if b then t else f fi ,  polynom: polynom(n),  less_than': less_than'(a;b),  le: A ≤ B,  top: Top,  not: ¬A,  false: False,  exists: ∃x:A. B[x],  satisfiable_int_formula: satisfiable_int_formula(fmla),  or: P ∨ Q,  decidable: Dec(P),  ge: i ≥ j ,  guard: {T},  squash: ↓T,  true: True,  implies: P ⇒ Q,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q,  so_apply: x[s],  nat: ℕ,  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  prop: ℙ,  all: ∀x:A. B[x],  uimplies: b supposing a,  and: P ∧ Q,  uiff: uiff(P;Q),  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  add-is-int-iff,  length-map,  list_induction,  list_ind_wf,  cons_wf,  list_ind_cons_lemma,  map_wf,  map_cons_lemma,  less_than_anti-reflexive,  list-valueall-type,  non_neg_length,  le_weakening2,  btrue_neq_bfalse,  assert_elim,  nil_wf,  assert_of_ff,  bfalse_wf,  spread_cons_lemma,  top_wf,  decidable__lt,  length_wf_nat,  int-value-type,  set-value-type,  nat_wf,  value-type-has-value,  reduce_hd_cons_lemma,  length_of_cons_lemma,  null_cons_lemma,  product_subtype_list,  length_of_null_list,  length_of_nil_lemma,  null_nil_lemma,  list-cases,  assert_of_null,  equal-wf-T-base,  null_wf,  polynom-subtype-list,  valueall-type-polyform,  evalall-reduce,  valueall-type-polynom,  valueall-type-has-valueall,  length_wf,  map-length,  uiff_transitivity,  assert_of_bnot,  iff_weakening_uiff,  iff_transitivity,  bool_cases,  polyform_wf,  subtype_rel_list,  neg_assert_of_eq_int,  assert-bnot,  bool_subtype_base,  subtype_base_sq,  bool_cases_sqequal,  eqff_to_assert,  eqtt_to_assert,  polyform-lead-nonzero_wf,  bool_wf,  equal-wf-base,  not_wf,  bnot_wf,  eq_int_wf,  assert_of_eq_int,  int_term_value_subtract_lemma,  itermSubtract_wf,  subtract_wf,  decidable__le,  subtype_rel_self,  le_wf,  false_wf,  less_than_irreflexivity,  less_than_transitivity1,  add-polynom_wf1,  poly-zero_wf,  assert_wf,  less_than_wf,  ge_wf,  int_formula_prop_less_lemma,  int_formula_prop_le_lemma,  int_formula_prop_and_lemma,  intformless_wf,  intformle_wf,  intformand_wf,  int_formula_prop_wf,  int_term_value_constant_lemma,  int_term_value_minus_lemma,  int_term_value_var_lemma,  int_term_value_add_lemma,  int_formula_prop_eq_lemma,  int_formula_prop_not_lemma,  itermConstant_wf,  itermMinus_wf,  itermVar_wf,  itermAdd_wf,  intformeq_wf,  intformnot_wf,  satisfiable-full-omega-tt,  decidable__equal_int,  nat_properties,  iff_weakening_equal,  minus-polynom-val,  add_functionality_wrt_eq,  add-polynom-int-val,  true_wf,  squash_wf,  btrue_wf,  minus-polynom_wf,  polynom_subtype_polyform,  int_subtype_base,  list_subtype_base,  minus-polynom_wf2,  add-polynom_wf,  assert-poly-zero,  all_wf,  equal-wf-base-T,  list_wf,  set_wf,  poly-int-val_wf2,  polynom_wf,  equal_wf,  and_wf
Rules used in proof :  pointwiseFunctionality,  functionEquality,  equalityUniverse,  sqequalAxiom,  lessCases,  hypothesis_subsumption,  callbyvalueReduce,  levelHypothesis,  addLevel,  int_eqReduceFalseSq,  impliesFunctionality,  cumulativity,  instantiate,  promote_hyp,  equalityElimination,  addEquality,  intWeakElimination,  computeAll,  voidEquality,  voidElimination,  int_eqEquality,  dependent_pairFormation,  unionElimination,  imageMemberEquality,  universeEquality,  imageElimination,  natural_numberEquality,  minusEquality,  independent_isectElimination,  independent_functionElimination,  isect_memberEquality,  independent_pairEquality,  equalityTransitivity,  setEquality,  axiomEquality,  dependent_functionElimination,  because_Cache,  applyEquality,  baseClosed,  closedConclusion,  baseApply,  lambdaEquality,  sqequalRule,  intEquality,  productElimination,  rename,  setElimination,  applyLambdaEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  hypothesisEquality,  hypothesis,  dependent_set_memberEquality,  equalitySymmetry,  lambdaFormation,  independent_pairFormation,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[p,q:polynom(n)].    uiff(p  =  q;\mforall{}l:\{l:\mBbbZ{}  List|  ||l||  =  n\}  .  (p@l  =  q@l))



Date html generated: 2017_04_20-AM-07_16_32
Last ObjectModification: 2017_04_19-PM-01_44_29

Theory : list_1


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