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〈
a
,
b
|
aaabbabba
=
b
〉
Monoid presentation of length 10
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right ba
Complete rewriting system
a
3
b
2
ab
3
⇒
ba
2
(b
2
a)
2
a
3
(b
2
a)
2
⇒
b