Certificate for #5158 ⟨a, b | aab=ba, aaaa=a⟩

Completion settings:

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

Axiom: aab=ba.

Referenced by [3].

Axiom: aaaa=a.

Defines rule #1.

Referenced by [3].

Overlap of [2] aaaa=a with [1] aab=ba:

Critical pair: aaba=ab.

Reduce LHS:

Flip LHS and RHS.

Defines rule #2.