〈a, b | ab=a, bbbaa=aaa〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. ab ⇒ a
2. a⁴ ⇒ a³
3. b³a² ⇒ a³

Right Cayley graph (truncated)

Left Cayley graph (truncated)