〈a, b | ababa=abb〉

Properties

• Infinite non-commutative monoid

Completion parameters

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

Complete rewriting system

1. cba ⇒ abc
2. ab² ⇒ c
3. a(ba)² ⇒ c
4. cb² ⇒ (ab)²c