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〈
a
,
b
|
abaab
=
b
〉
Monoid presentation of length 6
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right ab
Complete rewriting system
bab
⇒
ab
2
ba
2
b
⇒
a
2
b
2
a
3
b
2
⇒
b