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def definition def or abbrev

totalWidth

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formal statement (Lean)

  79def totalWidth (channels : List (ℝ × ℝ)) : ℝ :=

proof body

Definition body.

  80  (channels.map (fun p => partialWidth p.fst p.snd)).sum
  81
  82/-- The total width is non-negative when each channel's phase space is. -/

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depends on (11)

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