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def definition def or abbrev

mk

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formal statement (Lean)

  82def mk (a b : LogicNat) : LogicInt := Quotient.mk' (a, b)

proof body

Definition body.

  83
  84/-- Notation `[a, b]ₗ` for the integer `a − b`. Avoids clash with
  85list and matrix notations. -/
  86notation:max "[" a ", " b "]ₗ" => mk a b
  87

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