Certificate for #469 ⟨a, b | abaaba=aa

Completion settings:

[1] abaaba=aa

Axiom: abaaba=aa.

Defines rule #2.

Referenced by [2].

[2] abaaa=aaaba

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

aba aba abaaba

Critical pair: abaaa=aaaba.

Defines rule #1.