Certificate for #7307 ⟨a, b, c | ab=1, aabc=ba⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Defines rule #1.

Referenced by [2].

[2] ac=ba

Axiom: aabc=ba.

Reduce LHS:

[1]a(ab)c
⇒ ac

Defines rule #2.