Wikipedia: History of Johnson solid

Difference (from prior major revision) (minor diff, author diff)

Changed: 1c1

A Johnson solid is a convex polyhedron each face of which is a regular polygon. ( Compare with the Kepler solids, the platonic solids and the archimedean solids as well as the prisms and antiprisms). Those polyhedra which are left after you remove the [platonic solids]?, the [archimedean solids]?, the prisms, and the antiprisms. There are 92 Johnson solids. There is no requirement that each face must be the same polygon. An example of a Johnson solid that is neither a platonic solid nor an archimedean solid is a square based pyramid; it has one square face and four triangular faces.

A Johnson solid is a convex polyhedron each face of which is a regular polygon which is not vertex-uniform. These polyhedra are what are left once you take away the Platonic solids, Archimedean solids, prisms and antiprisms. There is no requirement that each face must be the same polygon. An example of a Johnson solid that is neither a platonic solid nor an archimedean solid is a square based pyramid; it has one square face and four triangular faces.

	Revision 10 . . (edit) September 20, 2001 1:27 pm by Josh Grosse
	Revision 9 . . September 10, 2001 2:42 am by (logged).68.87.xxx *[Fixing link to antiprisms since they were moved out of Prism page]**
	Revision 8 . . (edit) September 9, 2001 4:18 am by Josh Grosse