Certificate for #140 ⟨a, b, c | aa=b, ac=b⟩

Completion settings:

[1] b=aa

Axiom: aa=b.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] ac=aa

Axiom: ac=b.

Reduce RHS:

[1](b)
⇒ aa

Defines rule #1.