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〈
a
,
b
|
abaab
=
abaa
〉
Monoid presentation of length 9
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right bc/a
Auxiliary generator
abaa=c
Complete rewriting system
cb
⇒
c
ca
2
⇒
abac
aba
2
⇒
c