〈a, b | abab=1, aaaabb=a〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. (ab)² ⇒ 1
2. a⁴b² ⇒ a

Right Cayley graph (truncated)

Left Cayley graph (truncated)