Certificate for #16529 ⟨a, b | aba=aa, baa=aba

Completion settings:

[1] aba=aa

Axiom: aba=aa.

Defines rule #1.

Referenced by [2].

[2] baa=aa

Axiom: baa=aba.

Reduce RHS:

[1](aba)
aa

Defines rule #2.