〈a, b | aaab=ab, baaa=b〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ab

Complete rewriting system

1. bab ⇒ b²
2. a³b ⇒ ab
3. ba³ ⇒ b
4. ba²b ⇒ b²

Right Cayley graph (truncated)

Left Cayley graph (truncated)