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〈
a
,
b
|
babab
=
aabaa
〉
Monoid presentation of length 10
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right ba
Complete rewriting system
a
2
ba
2
⇒
b(ab)
2
a
2
b
2
(ab)
2
⇒
(ba)
2
b
2
a
2
a(ab)
4
⇒
(ba)
4
a