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theorem proved term proof

improves_comp_left

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formal statement (Lean)

  60theorem improves_comp_left (M : CostModel A) (C : Composable M)
  61  {a b x : A} (h : Improves M a b) : Improves M (C.comp a x) (C.comp b x) := by

proof body

Term-mode proof.

  62  exact C.strict_mono_left a b x h
  63
  64/-- CQ alignment at threshold θ ∈ [0,1]: score ≥ θ. -/
  65/- Placeholder removed: use concrete CQ and score from Measurement. -/

depends on (21)

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