User:Boris Tsirelson/Sandbox1: Difference between revisions
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imported>Boris Tsirelson No edit summary |
imported>Boris Tsirelson No edit summary |
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[[chess]] | [[chess]] | ||
Plane via distances: | |||
Plane via right angles (orthogonality): | |||
Plane via straight lines: | |||
Revision as of 13:52, 28 March 2010
Plane via distances:
Plane via right angles (orthogonality):
Plane via straight lines: