Certificate for #4239 ⟨a, b | abaaaabba=bb

Completion settings:

[1] abaaaabba=bb

Axiom: abaaaabba=bb.

Defines rule #1.

Referenced by [2].

[2] bbbaaaabba=abaaaabbbb

Overlap of [1] abaaaabba=bb with [1] abaaaabba=bb:

abaaaabb a abaaaabba

Critical pair: abaaaabbbb=bbbaaaabba.

Flip LHS and RHS.

Defines rule #2.