Certificate for #2052 ⟨a, b | aab=b, aaaa=a⟩

Completion settings:

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

Axiom: aab=b.

Referenced by [3].

Axiom: aaaa=a.

Defines rule #2.

Referenced by [3].

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

Critical pair: aab=ab.

Reduce LHS:

Flip LHS and RHS.

Defines rule #1.