Certificate for #845 ⟨a, b | abaabbba=b

Completion settings:

[1] abaabbba=b

Axiom: abaabbba=b.

Defines rule #2.

Referenced by [2].

[2] abaabbbb=bbaabbba

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

abaabbb a abaabbba

Critical pair: abaabbbb=bbaabbba.

Defines rule #1.