Certificate for #3021 ⟨a, b | aa=a, abba=bb⟩

Completion settings:

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

Axiom: aa=a.

Defines rule #1.

Referenced by [3].

Axiom: abba=bb.

Referenced by [3], [4].

Overlap of [1] aa=a with [2] abba=bb:

Critical pair: abb=abba.

Reduce RHS:

Defines rule #2.

Referenced by [4].

Overlap of [2] abba=bb with [3] abb=bb:

Critical pair: bba=bb.

Defines rule #3.