If the rules are AbA -> A AbA -> B
what becomes "AbAbA" then? "A" or "B"? R.E. Boss ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
If the rules are AbA -> A AbA -> B
what becomes "AbAbA" then? "A" or "B"? R.E. Boss ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm