Certificate for #6392 ⟨a, b, c | ab=1, abcccb=1⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Defines rule #1.

Referenced by [2].

[2] cccb=1

Axiom: abcccb=1.

Reduce LHS:

[1](ab)cccb
⇒ cccb

Defines rule #2.