Certificate for #12178 ⟨a, b | aaaa=ab, abbb=a⟩

Completion settings:

[1] ab=aaaa

Axiom: aaaa=ab.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aaaaaaaaaa=a

Axiom: abbb=a.

Reduce LHS:

[1](ab)bb
[1]⇒ aaa(ab)b
[1]⇒ aaaaaa(ab)
⇒ aaaaaaaaaa

Defines rule #1.