Certificate for #19670 ⟨a, b | aba=a, ababb=ab

Completion settings:

[1] aba=a

Axiom: aba=a.

Defines rule #1.

Referenced by [2].

[2] abb=ab

Axiom: ababb=ab.

Reduce LHS:

[1](aba)bb
abb

Defines rule #2.