Certificate for #563 ⟨a, b | aaa=a, aab=a

Completion settings:

[1] aaa=a

Axiom: aaa=a.

Defines rule #2.

Referenced by [3].

[2] aab=a

Axiom: aab=a.

Referenced by [3].

[3] ab=aa

Overlap of [1] aaa=a with [2] aab=a:

a aa aab

Critical pair: aa=ab.

Flip LHS and RHS.

Defines rule #1.