Nuprl Lemma : rv-partial-sum_wf

[p:FinProbSpace]. ∀[f:ℕ ⟶ ℕ]. ∀[X:n:ℕ ⟶ RandomVariable(p;f[n])]. ∀[n:ℕ].
  rv-partial-sum(n;i.X[i]) ∈ RandomVariable(p;f[n]) supposing ∀n:ℕ. ∀i:ℕn.  f[i] < f[n]


Proof




Definitions occuring in Statement :  rv-partial-sum: rv-partial-sum(n;i.X[i]) random-variable: RandomVariable(p;n) finite-prob-space: FinProbSpace int_seg: {i..j-} nat: less_than: a < b uimplies: supposing a uall: [x:A]. B[x] so_apply: x[s] all: x:A. B[x] member: t ∈ T function: x:A ⟶ B[x] natural_number: $n
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T uimplies: supposing a rv-partial-sum: rv-partial-sum(n;i.X[i]) random-variable: RandomVariable(p;n) p-outcome: Outcome nat: so_lambda: λ2x.t[x] so_apply: x[s] subtype_rel: A ⊆B le: A ≤ B and: P ∧ Q less_than': less_than'(a;b) false: False not: ¬A implies:  Q prop: all: x:A. B[x] guard: {T}
Lemmas referenced :  qsum_wf int_seg_subtype_nat false_wf subtype_rel_dep_function int_seg_wf p-outcome_wf int_seg_subtype le_weakening2 subtype_rel_self all_wf nat_wf less_than_wf random-variable_wf finite-prob-space_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalHypSubstitution sqequalRule lambdaEquality lemma_by_obid isectElimination thin natural_numberEquality setElimination rename hypothesisEquality hypothesis applyEquality independent_isectElimination independent_pairFormation lambdaFormation because_Cache dependent_functionElimination functionEquality axiomEquality equalityTransitivity equalitySymmetry isect_memberEquality

Latex:
\mforall{}[p:FinProbSpace].  \mforall{}[f:\mBbbN{}  {}\mrightarrow{}  \mBbbN{}].  \mforall{}[X:n:\mBbbN{}  {}\mrightarrow{}  RandomVariable(p;f[n])].  \mforall{}[n:\mBbbN{}].
    rv-partial-sum(n;i.X[i])  \mmember{}  RandomVariable(p;f[n])  supposing  \mforall{}n:\mBbbN{}.  \mforall{}i:\mBbbN{}n.    f[i]  <  f[n]



Date html generated: 2016_05_15-PM-11_51_57
Last ObjectModification: 2015_12_28-PM-07_14_25

Theory : randomness


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