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def definition def or abbrev

observeAvg8

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formal statement (Lean)

 137def observeAvg8 (k : Nat) (s : Stream) : Nat :=

proof body

Definition body.

 138  blockSumAligned8 k s / k
 139
 140/-- DNARP Eq. (blockSum=Z at T=8k): on the periodic extension of an 8‑bit window,
 141    the per‑window averaged observation equals the window integer `Z`. -/

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