Certificate for #839 ⟨a, b | abaabaab=a

Completion settings:

[1] abaabaab=a

Axiom: abaabaab=a.

Defines rule #2.

Referenced by [2].

[2] aaab=abaa

Overlap of [1] abaabaab=a with [1] abaabaab=a:

aba abaab abaabaab

Critical pair: abaa=aaab.

Flip LHS and RHS.

Defines rule #1.