Certificate for #4355 ⟨a, b | abbbabbba=aa

Completion settings:

[1] abbbabbba=aa

Axiom: abbbabbba=aa.

Defines rule #2.

Referenced by [2].

[2] abbbaa=aabbba

Overlap of [1] abbbabbba=aa with [1] abbbabbba=aa:

abbb abbba abbbabbba

Critical pair: abbbaa=aabbba.

Defines rule #1.