Certificate for #4618 ⟨a, b | aaaa=a, aabb=a⟩

Completion settings:

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

Axiom: aaaa=a.

Defines rule #2.

Referenced by [3].

Axiom: aabb=a.

Referenced by [3].

Overlap of [1] aaaa=a with [2] aabb=a:

Critical pair: aaa=abb.

Flip LHS and RHS.

Defines rule #1.