Certificate for #108 ⟨a, b | abab=aa⟩

Completion settings:

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

Axiom: abab=aa.

Defines rule #1.

Referenced by [2].

Overlap of [1] abab=aa with [1] abab=aa:

Critical pair: abaa=aaab.

Flip LHS and RHS.

Defines rule #2.