Certificate for #5391 ⟨a, b | aab=ba, aba=ab

Completion settings:

[1] ba=aab

Axiom: aab=ba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaab=ab

Axiom: aba=ab.

Reduce LHS:

[1]a(ba)
aaab

Defines rule #1.