Rotoreflection Notes
[This is an outgrowth of my Isometries Come in Circles manuscript (2001)]
rotoreflection made easy
rotoreflection angles
Visual proofs for (I) and (II)
examples in the cube
(24)(68) * (138)(275) = (1368)(2754)
(24)(68) * (1265)(4378) = (28)(143765)
(14)(23)(58)(67) * (17)(28)(34)(56) = (1683)(2574)
(14)(23)(58)(67) * (138)(275) = (35)(126784)
(24)(68) * (17)(28)(34)(56) = (17)(265843)
(24)(68) * (16)(25)(38)(47) = (1836)(2547)