Certificate for #5368 ⟨a, b, c | ab=a, bbca=a⟩

Back:⟨a, b, c | ab=a, bbca=a⟩

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #1.

Referenced by [3].

[2] bbca=a

Axiom: bbca=a.

Defines rule #3.

Referenced by [3].

[3] aca=aa

Overlap of [1] ab=a with [2] bbca=a:

a b bbca

Critical pair: aa=abca.

Reduce RHS:

[1](ab)ca
⇒ aca

Flip LHS and RHS.

Defines rule #2.