Certificate for #3199 ⟨a, b | ab=a, bbb=bba

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #2.

Referenced by [3].

[2] bbb=bba

Axiom: bbb=bba.

Defines rule #3.

Referenced by [3].

[3] aa=a

Overlap of [1] ab=a with [2] bbb=bba:

a b bbb

Critical pair: abba=abb.

Reduce LHS:

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

Reduce RHS:

[1](ab)b
[1](ab)
a

Defines rule #1.