〈a, b | ababba=bbba〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right a/cb
• Auxiliary generator bbba=c

Complete rewriting system

1. b³a ⇒ c
2. abab²a ⇒ c
3. b³c ⇒ cbab²a
4. abab²c ⇒ cbab²a