〈a, b | aaaaba=aab〉

Properties

• Infinite non-commutative monoid

Completion parameters

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

Complete rewriting system

1. a²c² ⇒ (ca)²
2. a²ca ⇒ c
3. cb ⇒ c²a
4. cab ⇒ (ca)²
5. a²b ⇒ c