Certificate for #991 ⟨a, b, c | ab=a, cba=b⟩

Completion settings:

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

Axiom: ab=a.

Defines rule #1.

Referenced by [3].

Axiom: cba=b.

Defines rule #3.

Referenced by [3].

Overlap of [2] cba=b with [1] ab=a:

Critical pair: cba=bb.

Reduce LHS:

Flip LHS and RHS.

Defines rule #2.