Certificate for #20048 ⟨a, b | aab=b, aaaa=aaa⟩

Completion settings:

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

Axiom: aab=b.

Referenced by [3].

Axiom: aaaa=aaa.

Defines rule #2.

Referenced by [3].

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

Critical pair: aab=aaab.

Reduce LHS:

Reduce RHS:

Flip LHS and RHS.

Defines rule #1.