〈a, b | aababa=abb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right a/bc
• Auxiliary generator abb=c

Complete rewriting system

1. ab² ⇒ c
2. a²(ba)² ⇒ c
3. cb² ⇒ a(ab)²c
4. ca(ba)² ⇒ a(ab)²c