The requirements to claim copyright are:
The ideas must be fixed in some tangible medium of expression.
Work must be original, but not necessarily good or unique.
At least minimal creativity, not just hard work, is required.
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Copyright © April, 1997, by
Carol Scheftic
(based on original work at
The Geometry Center
and used with permission).
All rights reserved.
Please send comments on this page,
or requests for permission to re-use material from this page, to:
scheftic@geom.umn.edu