Nuprl Lemma : slln-lemma2

∀p:FinProbSpace. ∀f:ℕ ⟶ ℕ. ∀X:n:ℕ ⟶ RandomVariable(p;f[n]). ∀s,k:ℚ.
  ((∀n:ℕ. ∀i:ℕn.  rv-disjoint(p;f[n];X[i];X[n]))
     ⇒ (∃B:ℚ
          ∀n:ℕ
            (E(f[n];rv-partial-sum(n;k.if (k =z 0)
            then 0
            else (x.(x * x) * x * x) o (1/k)*rv-partial-sum(k;i.X[i])
            fi )) ≤ B))) supposing 
     ((∀n:ℕ
         ((E(f[n];X[n]) = 0 ∈ ℚ)
         ∧ (E(f[n];(x.x * x) o X[n]) = s ∈ ℚ)
         ∧ (E(f[n];(x.(x * x) * x * x) o X[n]) = k ∈ ℚ))) and 
     (∀n:ℕ. ∀i:ℕn.  f[i] < f[n]))


Proof




Definitions occuring in Statement :  rv-partial-sum: rv-partial-sum(n;i.X[i]),  rv-compose: (x.F[x]) o X,  rv-disjoint: rv-disjoint(p;n;X;Y),  expectation: E(n;F),  rv-const: a,  rv-scale: q*X,  random-variable: RandomVariable(p;n),  finite-prob-space: FinProbSpace,  qle: r ≤ s,  qdiv: (r/s),  qmul: r * s,  rationals: ℚ,  int_seg: {i..j-},  nat: ℕ,  ifthenelse: if b then t else f fi ,  eq_int: (i =z j),  less_than: a < b,  uimplies: b supposing a,  so_apply: x[s],  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  implies: P ⇒ Q,  and: P ∧ Q,  function: x:A ⟶ B[x],  natural_number: $n,  equal: s = t ∈ T
Definitions unfolded in proof :  all: ∀x:A. B[x],  uimplies: b supposing a,  member: t ∈ T,  uall: ∀[x:A]. B[x],  so_apply: x[s],  int_seg: {i..j-},  nat: ℕ,  lelt: i ≤ j < k,  and: P ∧ Q,  prop: ℙ,  subtype_rel: A ⊆r B,  implies: P ⇒ Q,  exists: ∃x:A. B[x],  le: A ≤ B,  less_than': less_than'(a;b),  false: False,  not: ¬A,  so_lambda: λ2x.t[x],  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  ifthenelse: if b then t else f fi ,  uiff: uiff(P;Q),  bfalse: ff,  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bnot: ¬bb,  assert: ↑b,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  nequal: a ≠ b ∈ T ,  ge: i ≥ j ,  int_upper: {i...},  satisfiable_int_formula: satisfiable_int_formula(fmla),  top: Top,  rv-partial-sum: rv-partial-sum(n;i.X[i]),  int_nzero: ℤ-o,  squash: ↓T,  true: True,  rv-compose: (x.F[x]) o X,  rv-scale: q*X,  random-variable: RandomVariable(p;n),  p-outcome: Outcome,  qmul: r * s,  callbyvalueall: callbyvalueall,  evalall: evalall(t),  cand: A c∧ B,  decidable: Dec(P),  rev_uimplies: rev_uimplies(P;Q),  qge: a ≥ b,  rv-const: a,  rv-le: X ≤ Y,  qle: r ≤ s,  grp_leq: a ≤ b,  infix_ap: x f y,  grp_le: ≤b,  pi1: fst(t),  pi2: snd(t),  qadd_grp: <ℚ+>,  q_le: q_le(r;s),  bor: p ∨bq,  qpositive: qpositive(r),  qsub: r - s,  qadd: r + s,  lt_int: i <z j,  eq_int: (i =z j),  qdiv: (r/s),  qinv: 1/r,  qeq: qeq(r;s)
Lemmas referenced :  member-less_than,  le_wf,  nat_wf,  int_seg_wf,  slln-lemma1,  qmul_wf,  int-subtype-rationals,  rv-partial-sum_wf,  int_seg_subtype_nat,  false_wf,  subtype_rel-random-variable,  le_weakening2,  all_wf,  qle_wf,  expectation_wf,  eq_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_eq_int,  rv-const_wf,  eqff_to_assert,  equal_wf,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  iff_transitivity,  assert_wf,  bnot_wf,  not_wf,  equal-wf-T-base,  iff_weakening_uiff,  assert_of_bnot,  upper_subtype_nat,  nat_properties,  nequal-le-implies,  zero-add,  rv-compose_wf,  rv-scale_wf,  qdiv_wf,  subtype_rel_set,  rationals_wf,  int_upper_properties,  full-omega-unsat,  intformand_wf,  intformeq_wf,  itermVar_wf,  itermConstant_wf,  intformle_wf,  int_formula_prop_and_lemma,  int_formula_prop_eq_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_wf,  int-equal-in-rationals,  rv-disjoint_wf,  less_than_wf,  random-variable_wf,  finite-prob-space_wf,  expectation-qsum,  assert-bnot,  neg_assert_of_eq_int,  lelt_wf,  int_nzero-rational,  nequal_wf,  qsum-qle,  qmul-mul,  int_entire_a,  equal-wf-base,  int_subtype_base,  uiff_transitivity,  squash_wf,  true_wf,  expectation-rv-const,  subtype_rel_self,  iff_weakening_equal,  non-neg-qmul,  qle_reflexivity,  expectation-monotone-in-first,  p-outcome_wf,  mul_nzero,  itermMultiply_wf,  intformnot_wf,  int_term_value_mul_lemma,  int_formula_prop_not_lemma,  zero_ann_a,  qmul_assoc_qrng,  qmul_ac_1_qrng,  qmul_comm_qrng,  qmul-qdiv,  expectation-rv-scale,  qinv-nonneg,  qmul-positive,  qless-int,  decidable__lt,  intformless_wf,  int_formula_prop_less_lemma,  qless_wf,  qle_functionality_wrt_implies,  qmul_functionality_wrt_qle,  qle_weakening_eq_qorder,  expectation-non-neg,  q-square-non-neg,  qmul_preserves_qle,  qmul_com,  qmul_assoc,  qmul-qdiv-cancel,  qsum_wf,  prod_sum_l_q,  decidable__le,  decidable__equal_int,  int_seg_properties,  sum_unroll_base_q,  qmul_zero_qrng,  qmul_preserves_qle2,  qle_witness,  sum_unroll_lo_q,  qsum-reciprocal-squares-bound,  decidable__equal_rationals,  qadd_wf,  qmul_over_plus_qrng,  mon_ident_q,  qinv-positive,  qle_weakening_lt_qorder,  qmul-qdiv-cancel2,  qmul_one_qrng,  qmul_preserves_qless,  q-square-positive,  qle-iff
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  isect_memberFormation,  cut,  introduction,  sqequalRule,  sqequalHypSubstitution,  lambdaEquality,  dependent_functionElimination,  thin,  hypothesisEquality,  extract_by_obid,  isectElimination,  applyEquality,  setElimination,  rename,  dependent_set_memberEquality,  productElimination,  hypothesis,  natural_numberEquality,  because_Cache,  independent_isectElimination,  independent_pairEquality,  axiomEquality,  independent_functionElimination,  dependent_pairFormation,  independent_pairFormation,  equalityTransitivity,  equalitySymmetry,  functionExtensionality,  unionElimination,  equalityElimination,  promote_hyp,  instantiate,  cumulativity,  voidElimination,  intEquality,  baseClosed,  impliesFunctionality,  hypothesis_subsumption,  approximateComputation,  int_eqEquality,  isect_memberEquality,  voidEquality,  addLevel,  productEquality,  functionEquality,  hyp_replacement,  applyLambdaEquality,  multiplyEquality,  baseApply,  closedConclusion,  imageElimination,  imageMemberEquality,  universeEquality,  inlFormation,  minusEquality

Latex:
\mforall{}p:FinProbSpace.  \mforall{}f:\mBbbN{}  {}\mrightarrow{}  \mBbbN{}.  \mforall{}X:n:\mBbbN{}  {}\mrightarrow{}  RandomVariable(p;f[n]).  \mforall{}s,k:\mBbbQ{}.
    ((\mforall{}n:\mBbbN{}.  \mforall{}i:\mBbbN{}n.    rv-disjoint(p;f[n];X[i];X[n]))
          {}\mRightarrow{}  (\mexists{}B:\mBbbQ{}
                    \mforall{}n:\mBbbN{}
                        (E(f[n];rv-partial-sum(n;k.if  (k  =\msubz{}  0)
                        then  0
                        else  (x.(x  *  x)  *  x  *  x)  o  (1/k)*rv-partial-sum(k;i.X[i])
                        fi  ))  \mleq{}  B)))  supposing 
          ((\mforall{}n:\mBbbN{}
                  ((E(f[n];X[n])  =  0)
                  \mwedge{}  (E(f[n];(x.x  *  x)  o  X[n])  =  s)
                  \mwedge{}  (E(f[n];(x.(x  *  x)  *  x  *  x)  o  X[n])  =  k)))  and 
          (\mforall{}n:\mBbbN{}.  \mforall{}i:\mBbbN{}n.    f[i]  <  f[n]))



Date html generated: 2018_05_22-AM-00_42_30
Last ObjectModification: 2018_05_19-PM-04_00_04

Theory : randomness


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