Certificate for #16226 ⟨a, b | aab=ba, abaa=ab⟩

Completion settings:

[1] ba=aab

Axiom: aab=ba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaab=ab

Axiom: abaa=ab.

Reduce LHS:

[1]a(ba)a
[1]⇒ aaa(ba)
⇒ aaaaab

Defines rule #1.