Certificate for #3771 ⟨a, b | ababababba=b

Completion settings:

[1] ababababba=b

Axiom: ababababba=b.

Defines rule #2.

Referenced by [2].

[2] ababababbb=bbabababba

Overlap of [1] ababababba=b with [1] ababababba=b:

ababababb a ababababba

Critical pair: ababababbb=bbabababba.

Defines rule #1.