〈a, b | aa=a, bbbb=abbb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ba

Complete rewriting system

1. a² ⇒ a
2. ab³ ⇒ b⁴
3. b⁵ ⇒ b⁴

Right Cayley graph (truncated)

Left Cayley graph (truncated)