Nuprl Lemma : q-constraint-zero

∀[x:ℕ ⟶ ℚ]. ∀[r:ℤ]. ∀[k:ℕ+]. ∀[y:ℚ List].
  (uiff(q-rel(r;q-linear(k;j.x j;y));q-rel(r;q-linear(k - 1;j.x j;y)))) supposing (((x k) = 0 ∈ ℚ) and (k ≤ ||y||))


Proof




Definitions occuring in Statement :  q-rel: q-rel(r;x),  q-linear: q-linear(k;i.X[i];y),  rationals: ℚ,  length: ||as||,  list: T List,  nat_plus: ℕ+,  nat: ℕ,  uiff: uiff(P;Q),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  le: A ≤ B,  apply: f a,  function: x:A ⟶ B[x],  subtract: n - m,  natural_number: $n,  int: ℤ,  equal: s = t ∈ T
Definitions unfolded in proof :  member: t ∈ T,  prop: ℙ,  uall: ∀[x:A]. B[x],  nat: ℕ,  nat_plus: ℕ+,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  and: P ∧ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  le: A ≤ B,  uiff: uiff(P;Q),  squash: ↓T,  true: True,  subtype_rel: A ⊆r B,  guard: {T},  iff: P ⇐⇒ Q,  q-rel: q-rel(r;x),  ifthenelse: if b then t else f fi ,  bool: 𝔹,  rev_implies: P ⇐ Q
Lemmas referenced :  uiff_wf,  q-rel_wf,  qadd_wf,  q-linear_wf,  subtract_wf,  nat_plus_properties,  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,  istype-void,  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,  le_wf,  length_wf,  rationals_wf,  qmul_wf,  select_wf,  decidable__lt,  squash_wf,  true_wf,  q-linear-unroll,  nat_wf,  subtype_rel_self,  iff_weakening_equal,  eq_int_wf,  qle_witness,  qle_wf,  qless_witness,  qless_wf,  ifthenelse_wf,  nat_plus_subtype_nat,  list_wf,  nat_plus_wf,  mon_ident_q,  qadd_comm_q,  qmul_zero_qrng
Rules used in proof :  cut,  hypothesis,  thin,  hyp_replacement,  equalitySymmetry,  applyLambdaEquality,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  hypothesisEquality,  dependent_set_memberEquality_alt,  setElimination,  rename,  because_Cache,  natural_numberEquality,  dependent_functionElimination,  unionElimination,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  isect_memberEquality_alt,  voidElimination,  sqequalRule,  independent_pairFormation,  universeIsType,  applyEquality,  productElimination,  isect_memberFormation_alt,  imageElimination,  equalityTransitivity,  imageMemberEquality,  baseClosed,  instantiate,  universeEquality,  inhabitedIsType,  lambdaFormation_alt,  axiomEquality,  equalityIsType2,  equalityIsType1,  promote_hyp,  equalityIsType3,  functionIsType,  independent_pairEquality

Latex:
\mforall{}[x:\mBbbN{}  {}\mrightarrow{}  \mBbbQ{}].  \mforall{}[r:\mBbbZ{}].  \mforall{}[k:\mBbbN{}\msupplus{}].  \mforall{}[y:\mBbbQ{}  List].
    (uiff(q-rel(r;q-linear(k;j.x  j;y));q-rel(r;q-linear(k  -  1;j.x  j;y))))  supposing 
          (((x  k)  =  0)  and 
          (k  \mleq{}  ||y||))



Date html generated: 2019_10_16-PM-00_33_37
Last ObjectModification: 2018_10_10-AM-11_05_17

Theory : rationals


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