Certificate for #4878 ⟨a, b | abbabbba=bbb

Completion settings:

[1] abbabbba=bbb

Axiom: abbabbba=bbb.

Defines rule #1.

Referenced by [2].

[2] bbbbbabbba=abbabbbbbb

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

abbabbb a abbabbba

Critical pair: abbabbbbbb=bbbbbabbba.

Flip LHS and RHS.

Defines rule #2.