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〈
a
,
b
|
aabaaaba
=
1
〉
Monoid presentation of length 8
Properties
Infinite non-Abelian group
Completion parameters
Reduction order: left-to-right ab
Inverses of generators
a
-1
=
a
2
ba
3
b
b
-1
=
a
3
ba
3
Complete rewriting system
ba
3
ba
⇒
aba
3
b
(a
3
b)
2
⇒ 1