〈a, b | aaaa=1, aabbb=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. a⁴ ⇒ 1
2. a²b² ⇒ b³
3. b⁴ ⇒ b²

Right Cayley graph (truncated)

Left Cayley graph (truncated)