Certificate for #5369 ⟨a, b | aab=aa, bba=aa

Completion settings:

[1] aab=aa

Axiom: aab=aa.

Defines rule #1.

Referenced by [3].

[2] bba=aa

Axiom: bba=aa.

Defines rule #2.

Referenced by [3].

[3] aaaa=aaa

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

aa b bba

Critical pair: aaaa=aaba.

Reduce RHS:

[1](aab)a
aaa

Defines rule #3.