〈a, b | ababbba=abb〉

Properties

• Infinite non-commutative monoid

Completion parameters

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

Complete rewriting system

1. ab² ⇒ c
2. abcba ⇒ c
3. cb² ⇒ a(bc)²
4. (cb)²a ⇒ a(bc)²