Certificate for #1438 ⟨a, b | babb=a, bbbb=1⟩

Completion settings:

• Reduction order:
  • Left-to-right recursive path with deg(b) = 0; deg(a) = 1

Axiom: babb=a.

Referenced by [3].

Axiom: bbbb=1.

Defines rule #1.

Referenced by [3].

Overlap of [1] babb=a with [2] bbbb=1:

Critical pair: ba=abb.

Defines rule #2.