Certificate for #3373 ⟨a, b, c | ac=ab, aaa=b⟩

Completion settings:

[1] ac=ab

Axiom: ac=ab.

Referenced by [3].

[2] b=aaa

Axiom: aaa=b.

Flip LHS and RHS.

Defines rule #1.

Referenced by [3].

[3] ac=aaaa

Simplify [1] ac=ab.

Reduce RHS:

[2]a(b)
⇒ aaaa

Defines rule #2.