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theorem proved term proof

posting_one

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formal statement (Lean)

  63theorem posting_one : PostingPotential 1 = 1 := by

proof body

Term-mode proof.

  64  unfold PostingPotential Jcost
  65  simp [inv_one]
  66
  67/-- Π(x) > 0 for all x > 0. -/

depends on (6)

Lean names referenced from this declaration's body.