Certificate for #5416 ⟨a, b | aba=aa, bab=ab

Completion settings:

[1] aba=aa

Axiom: aba=aa.

Defines rule #1.

Referenced by [3].

[2] bab=ab

Axiom: bab=ab.

Defines rule #3.

Referenced by [3].

[3] baa=aa

Overlap of [2] bab=ab with [1] aba=aa:

b ab aba

Critical pair: baa=aba.

Reduce RHS:

[1](aba)
aa

Defines rule #2.