〈a, b | baabb=abbaa〉

Properties

• Infinite non-commutative monoid

Completion parameters

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

Complete rewriting system

1. ca² ⇒ bac
2. cb² ⇒ abc
3. ab²a² ⇒ c
4. ba²b² ⇒ c