Certificate for #590 ⟨a, b | babb=aaaa⟩

Completion settings:

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

Axiom: babb=aaaa.

Defines rule #1.

Referenced by [2].

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

Critical pair: babaaaa=aaaaabb.

Defines rule #2.