Certificate for #16097 ⟨a, b | aab=aa, abaa=aa

Completion settings:

[1] aab=aa

Axiom: aab=aa.

Defines rule #1.

Referenced by [3].

[2] abaa=aa

Axiom: abaa=aa.

Defines rule #3.

Referenced by [3].

[3] aaaa=aaa

Overlap of [1] aab=aa with [2] abaa=aa:

a ab abaa

Critical pair: aaa=aaaa.

Flip LHS and RHS.

Defines rule #2.