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def definition def or abbrev

compose_same_axis

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formal statement (Lean)

  51def compose_same_axis (r1 r2 : HingeRotation) (h : r1.axis = r2.axis) :
  52    HingeRotation :=

proof body

Definition body.

  53  ⟨r1.axis, r1.angle + r2.angle⟩
  54
  55/-- A path of rotations around a loop of hinges. -/

depends on (9)

Lean names referenced from this declaration's body.