Certificate for #5809 ⟨a, b, c | ab=a, abc=bb⟩

Completion settings:

[1] ab=a

Axiom: ab=a.

Defines rule #1.

Referenced by [2].

[2] ac=bb

Axiom: abc=bb.

Reduce LHS:

[1](ab)c
⇒ ac

Defines rule #2.