Certificate for #12452 ⟨a, b | aabb=aa, bbbb=a

Completion settings:

[1] aabb=aa

Axiom: aabb=aa.

Referenced by [3].

[2] a=bbbb

Axiom: bbbb=a.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aabb=bbbbbbbb

Simplify [1] aabb=aa.

Reduce RHS:

[2](a)a
[2]bbbb(a)
bbbbbbbb

Referenced by [4].

[4] bbbbbbbbbb=bbbbbbbb

Overlap of [3] aabb=bbbbbbbb with [2] a=bbbb:

aabb a

Critical pair: bbbbabb=bbbbbbbb.

Reduce LHS:

[2]bbbb(a)bb
bbbbbbbbbb

Defines rule #1.