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def definition def or abbrev

J_change

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formal statement (Lean)

 176noncomputable def J_change (x y : ℝ) (hx : 0 < x) (hy : 0 < y) : ℝ :=

proof body

Definition body.

 177  J_transition x y hx hy + J_stasis y
 178
 179/-- No change means only stasis cost. -/

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