〈a, b | aababba=abb〉

Properties

• Infinite non-commutative monoid

Completion parameters

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

Complete rewriting system

1. a²bc² ⇒ cabca
2. a²bca ⇒ c
3. cb² ⇒ cabca
4. ab² ⇒ c