〈a, b | aa=1, abbbab=bab〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. a² ⇒ 1
2. b(ab)² ⇒ ab²ab
3. b³ab ⇒ (ab)²
4. (bab)² ⇒ bab

Right Cayley graph (truncated)

Left Cayley graph (truncated)