Certificate for #838 ⟨a, b | abaaabba=b

Completion settings:

[1] abaaabba=b

Axiom: abaaabba=b.

Defines rule #2.

Referenced by [2].

[2] abaaabbb=bbaaabba

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

abaaabb a abaaabba

Critical pair: abaaabbb=bbaaabba.

Defines rule #1.