Certificate for #3138 ⟨a, b, c | ac=ab, aaaa=1⟩

Completion settings:

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

Axiom: ac=ab.

Referenced by [3].

Axiom: aaaa=1.

Defines rule #2.

Referenced by [3].

Overlap of [2] aaaa=1 with [1] ac=ab:

Critical pair: aaaab=c.

Reduce LHS:

Flip LHS and RHS.

Defines rule #1.