Certificate for #16556 ⟨a, b | abb=bb, bbb=abb

Completion settings:

[1] abb=bb

Axiom: abb=bb.

Defines rule #1.

Referenced by [2].

[2] bbb=bb

Axiom: bbb=abb.

Reduce RHS:

[1](abb)
bb

Defines rule #2.