Certificate for #12609 ⟨a, b | abbb=ab, bbbb=b⟩

Completion settings:

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

Axiom: abbb=ab.

Referenced by [3].

Axiom: bbbb=b.

Defines rule #2.

Referenced by [3].

Overlap of [1] abbb=ab with [2] bbbb=b:

Critical pair: ab=abb.

Flip LHS and RHS.

Defines rule #1.