Certificate for #5473 ⟨a, b, c | ab=a, ccbc=a⟩

Completion settings:

[1] ab=a

Axiom: ab=a.

Referenced by [3].

[2] a=ccbc

Axiom: ccbc=a.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] ab=ccbc

Simplify [1] ab=a.

Reduce RHS:

[2](a)
⇒ ccbc

Referenced by [4].

[4] ccbcb=ccbc

Overlap of [3] ab=ccbc with [2] a=ccbc:

ab a

Critical pair: ccbcb=ccbc.

Defines rule #1.