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lemma proved term proof

inner_pos

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formal statement (Lean)

  50lemma inner_pos : 0 < hbar_codata * G_codata / (Real.pi * c_codata ^ 3) := by

proof body

Term-mode proof.

  51  apply div_pos (mul_pos hbar_codata_pos G_codata_pos)
  52  exact mul_pos Real.pi_pos (pow_pos c_codata_pos 3)
  53

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depends on (6)

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