Certificate for #2557 ⟨a, b, c | aab=c, cccb=1⟩

Completion settings:

[1] c=aab

Axiom: aab=c.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] aabaabaabb=1

Axiom: cccb=1.

Reduce LHS:

[1](c)ccb
[1]⇒ aab(c)cb
[1]⇒ aabaab(c)b
⇒ aabaabaabb

Defines rule #1.