Certificate for #12275 ⟨a, b | aaab=ba, abaa=b⟩

Completion settings:

[1] ba=aaab

Axiom: aaab=ba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaaaab=b

Axiom: abaa=b.

Reduce LHS:

[1]a(ba)a
[1]⇒ aaaa(ba)
⇒ aaaaaaab

Defines rule #1.