Certificate for #19519 ⟨a, b | aab=b, aaabb=bb

Completion settings:

[1] aab=b

Axiom: aab=b.

Defines rule #1.

Referenced by [2].

[2] abb=bb

Axiom: aaabb=bb.

Reduce LHS:

[1]a(aab)b
abb

Defines rule #2.