Certificate for #9148 ⟨a, b | aa=a, abab=bba⟩

Completion settings:

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

Axiom: aa=a.

Defines rule #1.

Referenced by [3].

Axiom: abab=bba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3].

Overlap of [2] bba=abab with [1] aa=a:

Critical pair: bba=ababa.

Reduce LHS:

Flip LHS and RHS.

Defines rule #3.