Certificate for #1958 ⟨a, b | aababaab=aa

Completion settings:

[1] aababaab=aa

Axiom: aababaab=aa.

Defines rule #2.

Referenced by [2].

[2] aaabaab=aababaa

Overlap of [1] aababaab=aa with [1] aababaab=aa:

aabab aab aababaab

Critical pair: aababaa=aaabaab.

Flip LHS and RHS.

Defines rule #1.