Certificate for #404 ⟨a, b, c | abc=a, ccb=1⟩

Completion settings:

[1] abc=a

Axiom: abc=a.

Defines rule #1.

Referenced by [3].

[2] ccb=1

Axiom: ccb=1.

Defines rule #3.

Referenced by [3].

[3] acb=ab

Overlap of [1] abc=a with [2] ccb=1:

ab c ccb

Critical pair: ab=acb.

Flip LHS and RHS.

Defines rule #2.