Bandits.identDistrib_rewardByCount_eval
No docstring.
Bandits.identDistrib_rewardByCount_eval.{u_1, u_2} {๐ : Type u_1} {ฮฉ : Type u_2} {m๐ : MeasurableSpace ๐} {mฮฉ : MeasurableSpace ฮฉ} [DecidableEq ๐] {A : โ โ ฮฉ โ ๐} {R : โ โ ฮฉ โ โ} {P : MeasureTheory.Measure ฮฉ} [MeasureTheory.IsProbabilityMeasure P] {alg : Learning.Algorithm ๐ โ} {ฮฝ : ProbabilityTheory.Kernel ๐ โ} [ProbabilityTheory.IsMarkovKernel ฮฝ] [StandardBorelSpace ๐] [Nonempty ๐] [StandardBorelSpace ฮฉ] [Countable ๐] (h : Learning.IsAlgEnvSeq A R alg (Learning.stationaryEnv ฮฝ) P) (a : ๐) (n m : โ) (hn : n โ 0) : ProbabilityTheory.IdentDistrib (Learning.rewardByCount A R a n) (fun ฯ => ฯ m a) (MeasureTheory.Measure.prod P (streamMeasure ฮฝ)) (streamMeasure ฮฝ)Bandits.identDistrib_rewardByCount_eval.{u_1, u_2} {๐ : Type u_1} {ฮฉ : Type u_2} {m๐ : MeasurableSpace ๐} {mฮฉ : MeasurableSpace ฮฉ} [DecidableEq ๐] {A : โ โ ฮฉ โ ๐} {R : โ โ ฮฉ โ โ} {P : MeasureTheory.Measure ฮฉ} [MeasureTheory.IsProbabilityMeasure P] {alg : Learning.Algorithm ๐ โ} {ฮฝ : ProbabilityTheory.Kernel ๐ โ} [ProbabilityTheory.IsMarkovKernel ฮฝ] [StandardBorelSpace ๐] [Nonempty ๐] [StandardBorelSpace ฮฉ] [Countable ๐] (h : Learning.IsAlgEnvSeq A R alg (Learning.stationaryEnv ฮฝ) P) (a : ๐) (n m : โ) (hn : n โ 0) : ProbabilityTheory.IdentDistrib (Learning.rewardByCount A R a n) (fun ฯ => ฯ m a) (MeasureTheory.Measure.prod P (streamMeasure ฮฝ)) (streamMeasure ฮฝ)
Code
lemma identDistrib_rewardByCount_eval [StandardBorelSpace ฮฉ] [Countable ๐]
(h : IsAlgEnvSeq A R alg (stationaryEnv ฮฝ) P) (a : ๐) (n m : โ) (hn : n โ 0) :
IdentDistrib (rewardByCount A R a n) (fun ฯ โฆ ฯ m a) ๐ (streamMeasure ฮฝ)Proof
(identDistrib_rewardByCount_id h a n hn).trans
(identDistrib_eval_eval_id_streamMeasure ฮฝ m a).symmActions: Source ยท Open Issue
Meaning last changed in v4.34.0-rc2-1-g439785b (2026-08-23), the 4th recorded change.
Self-contained, with its dependencies inlined and proofs replaced by sorry: download the raw file ยท open it in the Lean web editor.
Dependency graph
Audit surface: 10 project declarations, 78 external constants
โ Proved: no sorry anywhere in its closure
This is the tool's own reading of one build's recorded axioms, and it is not robust against an author who wants it to pass. Checking meant to be relied on should go through Comparator, which replays the proof through the kernel from an export against an explicit list of permitted axioms.