Certificate for #2615 ⟨a, b | abbaab=aaaa⟩

Completion settings:

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

Axiom: abbaab=aaaa.

Defines rule #1.

Referenced by [2].

Overlap of [1] abbaab=aaaa with [1] abbaab=aaaa:

Critical pair: abbaaaaa=aaaabaab.

Flip LHS and RHS.

Defines rule #2.