Certificate for #7090 ⟨a, b, c | ab=1, cacac=a⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Defines rule #1.

[2] cacac=a

Axiom: cacac=a.

Defines rule #3.

Referenced by [3].

[3] aac=caa

Overlap of [2] cacac=a with [2] cacac=a:

ca cac cacac

Critical pair: caa=aac.

Flip LHS and RHS.

Defines rule #2.