Certificate for #1238 ⟨a, b | aabba=bbbb

Completion settings:

[1] aabba=bbbb

Axiom: aabba=bbbb.

Defines rule #1.

Referenced by [2].

[2] bbbbabba=aabbbbbb

Overlap of [1] aabba=bbbb with [1] aabba=bbbb:

aabb a aabba

Critical pair: aabbbbbb=bbbbabba.

Flip LHS and RHS.

Defines rule #2.