〈a, b | aabb=1, abaab=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ba

Complete rewriting system

1. a²b² ⇒ 1
2. a³b ⇒ aba²
3. aba²b ⇒ a

Right Cayley graph (truncated)

Left Cayley graph (truncated)