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〈
a
,
b
|
ababaab
=
b
〉
Monoid presentation of length 8
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right ca/b
Auxiliary generator
ab=c
Complete rewriting system
ac
3
⇒
c
2
ac
ac
2
ac
⇒
c
b
⇒
c
2
ac