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theorem proved term proof

zero_cost_iff_dot_zero

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formal statement (Lean)

  23theorem zero_cost_iff_dot_zero {n : ℕ} (α x : Vec n) :
  24    JcostN α x = 0 ↔ dot α (logVec x) = 0 :=

proof body

Term-mode proof.

  25  JcostN_eq_zero_iff α x
  26
  27/-- Zero-cost iff aggregate equals one. -/

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