〈a, b | baa=abb, bab=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. ba² ⇒ ab²
2. bab ⇒ b²
3. ab³ ⇒ b³
4. b⁴ ⇒ b³

Right Cayley graph (truncated)

Left Cayley graph (truncated)