November 27, 2004

Reversible

State B follows State A. State B can be replaced with State A precisely. In doing so, not in any way changing State A.

Robert O'Toole : 27 Nov 2004 21:40 |  Tags:   |  Comments (1) |  Report a problem

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  1. That's just grand.

    28 Nov 2004, 01:27

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