Certificate for #13136 ⟨a, b | aab=aaa, bba=aa

Completion settings:

[1] aab=aaa

Axiom: aab=aaa.

Defines rule #1.

Referenced by [3].

[2] bba=aa

Axiom: bba=aa.

Defines rule #2.

Referenced by [3].

[3] aaaaa=aaaa

Overlap of [1] aab=aaa with [2] bba=aa:

aa b bba

Critical pair: aaaa=aaaba.

Reduce RHS:

[1]a(aab)a
aaaaa

Flip LHS and RHS.

Defines rule #3.