Certificate for #2356 ⟨a, b | abbabba=bbb

Completion settings:

[1] abbabba=bbb

Axiom: abbabba=bbb.

Defines rule #2.

Referenced by [2].

[2] bbbbba=abbbbb

Overlap of [1] abbabba=bbb with [1] abbabba=bbb:

abb abba abbabba

Critical pair: abbbbb=bbbbba.

Flip LHS and RHS.

Defines rule #1.