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〈
a
,
b
|
abaaaab
=
ba
〉
Monoid presentation of length 9
Properties
Infinite non-commutative monoid
Completion parameters
Reduction order: left-to-right c/ab
Auxiliary generator
aaaab=c
Complete rewriting system
ca
⇒
ac
2
c
16
b
⇒
bc
ba
⇒
abc
a
4
b
⇒
c