Certificate for #5417 ⟨a, b | aba=aa, bab=bb

Completion settings:

[1] aba=aa

Axiom: aba=aa.

Defines rule #1.

Referenced by [3], [4].

[2] bab=bb

Axiom: bab=bb.

Defines rule #3.

Referenced by [3], [4], [5].

[3] abb=aab

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

a ba bab

Critical pair: abb=aab.

Defines rule #4.

[4] bba=baa

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

b ab aba

Critical pair: baa=bba.

Flip LHS and RHS.

Defines rule #2.

Referenced by [5].

[5] bbb=baab

Overlap of [4] bba=baa with [2] bab=bb:

b ba bab

Critical pair: bbb=baab.

Defines rule #5.