Certificate for #1639 ⟨a, b | aab=ba, baa=b

Completion settings:

[1] ba=aab

Axiom: aab=ba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaab=b

Axiom: baa=b.

Reduce LHS:

[1](ba)a
[1]aa(ba)
aaaab

Defines rule #1.