Certificate for #16138 ⟨a, b | aab=aa, bbba=ab⟩

Completion settings:

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

Axiom: aab=aa.

Referenced by [3].

Axiom: bbba=ab.

Flip LHS and RHS.

Defines rule #1.

Referenced by [3].

Overlap of [1] aab=aa with [2] ab=bbba:

Critical pair: abbba=aa.

Reduce LHS:

Defines rule #2.