Certificate for #2919 ⟨a, b, c | aab=b, aca=a⟩

Completion settings:

[1] aab=b

Axiom: aab=b.

Defines rule #1.

Referenced by [3].

[2] aca=a

Axiom: aca=a.

Defines rule #2.

Referenced by [3].

[3] acb=b

Overlap of [2] aca=a with [1] aab=b:

ac a aab

Critical pair: acb=aab.

Reduce RHS:

[1](aab)
⇒ b

Defines rule #3.