〈a, b | aaa=a, abab=aba〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. a³ ⇒ a
2. (ab)² ⇒ aba
3. aba²b ⇒ aba²

Right Cayley graph (truncated)

Left Cayley graph (truncated)