Certificate for #6904 ⟨a, b, c | ab=1, acaac=a⟩

Completion settings:

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

Axiom: ab=1.

Defines rule #1.

Axiom: acaac=a.

Defines rule #3.

Referenced by [3].

Overlap of [2] acaac=a with [2] acaac=a:

Critical pair: acaa=aaac.

Flip LHS and RHS.

Defines rule #2.