Certificate for #16236 ⟨a, b | aab=ba, abba=bb⟩

Completion settings:

[1] ba=aab

Axiom: aab=ba.

Flip LHS and RHS.

Defines rule #1.

Referenced by [2].

[2] aaaaabb=bb

Axiom: abba=bb.

Reduce LHS:

[1]ab(ba)
[1]⇒ a(ba)ab
[1]⇒ aaa(ba)b
⇒ aaaaabb

Defines rule #2.