Certificate for #19531 ⟨a, b | aab=b, aabba=bb

Completion settings:

[1] aab=b

Axiom: aab=b.

Defines rule #1.

Referenced by [2].

[2] bba=bb

Axiom: aabba=bb.

Reduce LHS:

[1](aab)ba
bba

Defines rule #2.