Certificate for #20228 ⟨a, b | aba=a, baab=aaa

Completion settings:

[1] aba=a

Axiom: aba=a.

Defines rule #3.

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

[2] baab=aaa

Axiom: baab=aaa.

Referenced by [3], [4].

[3] aab=aaaa

Overlap of [1] aba=a with [2] baab=aaa:

a ba baab

Critical pair: aaaa=aab.

Flip LHS and RHS.

Defines rule #4.

[4] baa=aaaa

Overlap of [2] baab=aaa with [1] aba=a:

ba ab aba

Critical pair: baa=aaaa.

Defines rule #2.

Referenced by [5].

[5] aaaaa=aa

Overlap of [1] aba=a with [4] baa=aaaa:

a ba baa

Critical pair: aaaaa=aa.

Defines rule #1.