Certificate for #7119 ⟨a, b | ba=ab, aaaa=ab⟩

Completion settings:

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

Axiom: ba=ab.

Flip LHS and RHS.

Referenced by [2], [3].

Axiom: aaaa=ab.

Reduce RHS:

Flip LHS and RHS.

Defines rule #1.

Referenced by [3].

Simplify [1] ab=ba.

Reduce RHS:

Defines rule #2.