Certificate for #3128 ⟨a, b | ab=a, bbba=aa

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #1.

Referenced by [3].

[2] bbba=aa

Axiom: bbba=aa.

Defines rule #3.

Referenced by [3].

[3] aaa=aa

Overlap of [1] ab=a with [2] bbba=aa:

a b bbba

Critical pair: aaa=abba.

Reduce RHS:

[1](ab)ba
[1](ab)a
aa

Defines rule #2.