Certificate for #91 ⟨a, b | ababa=b

Completion settings:

[1] ababa=b

Axiom: ababa=b.

Defines rule #2.

Referenced by [2].

[2] bba=abb

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

ab aba ababa

Critical pair: abb=bba.

Flip LHS and RHS.

Defines rule #1.