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p'bm versus p'b1m

Which is p'bm and which p'b1m? If only actual symmetries were noted, each would have type pm.

[p'bm]
[p'b1m]


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Communications in Visual Mathematics, vol 1, no 1, August 1998.
Copyright © 1998, The Mathematical Association of America. All rights reserved.
Created: 08 Jul 1998 --- Last modified: 18 Aug 1998 23:59:59
Comments to: CVM@maa.org