〈a, b | aabbba=abb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ca/b
• Auxiliary generator abb=c

Complete rewriting system

1. acbc ⇒ c²ba
2. acba ⇒ c
3. cb² ⇒ c²ba
4. ab² ⇒ c