Certificate for #6384 ⟨a, b, c | ab=1, abcbcb=1⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Defines rule #1.

Referenced by [2].

[2] cbcb=1

Axiom: abcbcb=1.

Reduce LHS:

[1](ab)cbcb
⇒ cbcb

Defines rule #2.