Bandits.ETC.pullCount_add_one_of_ge
No docstring.
Bandits.ETC.pullCount_add_one_of_ge.{u_1} {K : โ} {hK : 0 < K} {m : โ} {ฮฝ : ProbabilityTheory.Kernel (Fin K) โ} [ProbabilityTheory.IsMarkovKernel ฮฝ] {ฮฉ : Type u_1} {mฮฉ : MeasurableSpace ฮฉ} {P : MeasureTheory.Measure ฮฉ} [MeasureTheory.IsProbabilityMeasure P] {A : โ โ ฮฉ โ Fin K} {R : โ โ ฮฉ โ โ} (h : Learning.IsAlgEnvSeq A R (etcAlgorithm hK m) (Learning.stationaryEnv ฮฝ) P) (a : Fin K) (hm : m โ 0) {n : โ} (hn : K * m โค n) : Learning.pullCount A a (n + 1) =แต[P] fun ฯ => Learning.pullCount A a n ฯ + Set.indicator {ฯ' | A (K * m) ฯ' = a} (fun x => 1) ฯBandits.ETC.pullCount_add_one_of_ge.{u_1} {K : โ} {hK : 0 < K} {m : โ} {ฮฝ : ProbabilityTheory.Kernel (Fin K) โ} [ProbabilityTheory.IsMarkovKernel ฮฝ] {ฮฉ : Type u_1} {mฮฉ : MeasurableSpace ฮฉ} {P : MeasureTheory.Measure ฮฉ} [MeasureTheory.IsProbabilityMeasure P] {A : โ โ ฮฉ โ Fin K} {R : โ โ ฮฉ โ โ} (h : Learning.IsAlgEnvSeq A R (etcAlgorithm hK m) (Learning.stationaryEnv ฮฝ) P) (a : Fin K) (hm : m โ 0) {n : โ} (hn : K * m โค n) : Learning.pullCount A a (n + 1) =แต[P] fun ฯ => Learning.pullCount A a n ฯ + Set.indicator {ฯ' | A (K * m) ฯ' = a} (fun x => 1) ฯ
Code
lemma pullCount_add_one_of_ge (h : IsAlgEnvSeq A R (etcAlgorithm hK m) (stationaryEnv ฮฝ) P)
(a : Fin K) (hm : m โ 0) {n : โ} (hn : K * m โค n) :
pullCount A a (n + 1)
=แต[P] fun ฯ โฆ pullCount A a n ฯ + {ฯ' | A (K * m) ฯ' = a}.indicator (fun _ โฆ 1) ฯProof
by simp_rw [Filter.EventuallyEq, pullCount_add_one] filter_upwards [arm_of_ge h hm hn] with ฯ h_arm congr 3
Actions: Source ยท Open Issue
Meaning last changed in v4.34.0-rc2-14-gf86702d (2026-08-25), the 5th 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: 17 project declarations, 117 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.