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theorem proved term proof

separatelyAdditive_iff_interactionDefect_zero

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formal statement (Lean)

  93theorem separatelyAdditive_iff_interactionDefect_zero
  94    (P : ℝ → ℝ → ℝ) :
  95    SeparatelyAdditive P ↔ ∀ u v : ℝ, interactionDefect P u v = 0 :=

proof body

Term-mode proof.

  96  ⟨interactionDefect_eq_zero_of_separatelyAdditive,
  97   separatelyAdditive_of_interactionDefect_zero⟩
  98
  99/-- **Equivalence: coupling is non-vanishing interaction defect.** -/

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depends on (9)

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