Certificate for #20102 ⟨a, b | aab=b, abba=bba⟩

Completion settings:

• Reduction order:
  • Left-to-right shortlex with a < b

Axiom: aab=b.

Defines rule #1.

Referenced by [3].

Axiom: abba=bba.

Defines rule #2.

Referenced by [3].

Overlap of [2] abba=bba with [1] aab=b:

Critical pair: abbb=bbaab.

Reduce RHS:

Defines rule #3.