Certificate for #1989 ⟨a, b | aabbaabb=aa⟩

Completion settings:

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

Axiom: aabbaabb=aa.

Defines rule #2.

Referenced by [2].

Overlap of [1] aabbaabb=aa with [1] aabbaabb=aa:

Critical pair: aabbaa=aaaabb.

Flip LHS and RHS.

Defines rule #1.