Certificate for #556 ⟨a, b | abbba=bbb⟩

Completion settings:

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

Axiom: abbba=bbb.

Defines rule #1.

Referenced by [2].

Overlap of [1] abbba=bbb with [1] abbba=bbb:

Critical pair: abbbbbb=bbbbbba.

Flip LHS and RHS.

Defines rule #2.