Certificate for #2351 ⟨a, b | abbabba=aaa

Completion settings:

[1] abbabba=aaa

Axiom: abbabba=aaa.

Defines rule #2.

Referenced by [2].

[2] abbaaa=aaabba

Overlap of [1] abbabba=aaa with [1] abbabba=aaa:

abb abba abbabba

Critical pair: abbaaa=aaabba.

Defines rule #1.