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def definition def or abbrev

slopeAddPoint

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formal statement (Lean)

  59def slopeAddPoint {p : ℕ} (m x₁ y₁ x₂ : ZMod p) : ECPoint p :=

proof body

Definition body.

  60  let x₃ := m ^ 2 - x₁ - x₂
  61  let y₃ := m * (x₁ - x₃) - y₁
  62  ECPoint.affine x₃ y₃
  63
  64/-- Total chord-tangent addition formula. The usual prime-field side
  65conditions are carried separately by benchmark code and hypotheses. -/

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