〈a, b | abbaaab=bba〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: right-to-left a/cb
• Auxiliary generator bba=c

Complete rewriting system

1. aca²b ⇒ c
2. cba ⇒ aca²c
3. b²a ⇒ c
4. c²a²b ⇒ b²c