Certificate for #456 ⟨a, b | aaaa=1, abab=1⟩

Completion settings:

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

Axiom: aaaa=1.

Defines rule #2.

Referenced by [3].

Axiom: abab=1.

Referenced by [3].

Overlap of [1] aaaa=1 with [2] abab=1:

Critical pair: aaa=bab.

Flip LHS and RHS.

Defines rule #1.