〈a, b | aaababa=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. a³(ba)² ⇒ c
3. cb² ⇒ a³babc
4. ca²(ba)² ⇒ a³babc