Certificate for #12606 ⟨a, b | abbb=aa, bbbb=a

Completion settings:

[1] aa=abbb

Axiom: abbb=aa.

Flip LHS and RHS.

Referenced by [3].

[2] a=bbbb

Axiom: bbbb=a.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aa=bbbbbbb

Simplify [1] aa=abbb.

Reduce RHS:

[2](a)bbb
bbbbbbb

Referenced by [4].

[4] bbbbbbbb=bbbbbbb

Overlap of [3] aa=bbbbbbb with [2] a=bbbb:

aa a

Critical pair: bbbba=bbbbbbb.

Reduce LHS:

[2]bbbb(a)
bbbbbbbb

Defines rule #1.