Certificate for #5524 ⟨a, b, c | ab=c, abbc=c⟩

Completion settings:

[1] c=ab

Axiom: ab=c.

Flip LHS and RHS.

Defines rule #2.

Referenced by [2].

[2] abbab=ab

Axiom: abbc=c.

Reduce LHS:

[1]abb(c)
⇒ abbab

Reduce RHS:

[1](c)
⇒ ab

Defines rule #1.