File talk:Reachability graph for petri net.png
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Why not display the nodes as cartesian coords?
(0,0) (1,0) (2,0)
(0,1)
(0,2) ...etc
Placing the transition arcs would be trivial.
Besides, the current png lacks a T3 from (1,1) to (1,0)...
81.35.196.73 (talk) 00:17, 8 February 2008 (UTC)