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lemma proved term proof

Jcost_reciprocal

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formal statement (Lean)

 645lemma Jcost_reciprocal {x : ℝ} (hx : 0 < x) : Jcost x = Jcost x⁻¹ := Jcost_symm hx

proof body

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 646
 647end Cost
 648end IndisputableMonolith

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