〈a, b | aaabbaa=ba〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: right-to-left ac/b
• Auxiliary generator bba=c

Complete rewriting system

1. a³c² ⇒ ca²ca
2. (a³c)²a ⇒ c
3. ba ⇒ a³ca
4. bc ⇒ ca²ca