〈a, b | abaab=aabaa〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right abc
• Auxiliary generator aabaa=c

Complete rewriting system

1. cb ⇒ ac
2. ca² ⇒ abc
3. a²ba² ⇒ c
4. aba²b ⇒ c
5. caba² ⇒ a²bac