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〈
a
,
b
|
aabaaba
=
aa
〉
Monoid presentation of length 9
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right ab
Complete rewriting system
a
2
ba
2
⇒
a
3
ba
a
3
(ba)
2
⇒
a
2