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theorem proved term proof

deflection_double

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formal statement (Lean)

  74theorem deflection_double (t : ℝ) :
  75    deflection (2 * t) = 4 * deflection t := by

proof body

Term-mode proof.

  76  unfold deflection
  77  ring
  78
  79/-- Strict positivity for `t ≠ 0`. -/

used by (3)

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depends on (2)

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