Certificate for #9368 ⟨a, b | ab=a, bbba=aaa

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #1.

Referenced by [3].

[2] bbba=aaa

Axiom: bbba=aaa.

Defines rule #3.

Referenced by [3].

[3] aaaa=aa

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

a b bbba

Critical pair: aaaa=abba.

Reduce RHS:

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

Defines rule #2.