Certificate for #5781 ⟨a, b, c | ab=a, aab=ac⟩

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #1.

Referenced by [2].

[2] ac=aa

Axiom: aab=ac.

Reduce LHS:

[1]a(ab)
⇒ aa

Flip LHS and RHS.

Defines rule #2.