〈a, b | abb=aaa, bba=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ba

Complete rewriting system

1. b²a ⇒ b²
2. a³ ⇒ ab²
3. b⁴ ⇒ b²
4. a²b² ⇒ ab²

Right Cayley graph (truncated)

Left Cayley graph (truncated)