〈a, b | aabb=1, aababb=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. a²b² ⇒ 1
2. a²bab² ⇒ a

Right Cayley graph (truncated)

Left Cayley graph (truncated)