Certificate for #1693 ⟨a, b | abb=bb, bbb=b

Completion settings:

[1] abb=bb

Axiom: abb=bb.

Referenced by [3].

[2] bbb=b

Axiom: bbb=b.

Defines rule #2.

Referenced by [3].

[3] ab=b

Overlap of [1] abb=bb with [2] bbb=b:

a bb bbb

Critical pair: ab=bbb.

Reduce RHS:

[2](bbb)
b

Defines rule #1.