Certificate for #7777 ⟨a, b | aaa=1, aabba=bb

Completion settings:

[1] aaa=1

Axiom: aaa=1.

Defines rule #1.

Referenced by [3].

[2] aabba=bb

Axiom: aabba=bb.

Referenced by [3].

[3] bba=abb

Overlap of [1] aaa=1 with [2] aabba=bb:

a aa aabba

Critical pair: abb=bba.

Flip LHS and RHS.

Defines rule #2.