Certificate for #848 ⟨a, b | abababab=a

Completion settings:

[1] abababab=a

Axiom: abababab=a.

Defines rule #2.

Referenced by [2].

[2] aab=aba

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

ab ababab abababab

Critical pair: aba=aab.

Flip LHS and RHS.

Defines rule #1.