Certificate for #7311 ⟨a, b, c | ab=1, aabc=cb⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Defines rule #1.

Referenced by [2].

[2] cb=ac

Axiom: aabc=cb.

Reduce LHS:

[1]a(ab)c
⇒ ac

Flip LHS and RHS.

Defines rule #2.