Certificate for #1260 ⟨a, b | ababa=abba

Completion settings:

[1] ababa=abba

Axiom: ababa=abba.

Defines rule #1.

Referenced by [2].

[2] abbaba=ababba

Overlap of [1] ababa=abba with [1] ababa=abba:

ab aba ababa

Critical pair: ababba=abbaba.

Flip LHS and RHS.

Defines rule #2.