Certificate for #20096 ⟨a, b | aab=b, abba=aaa

Completion settings:

[1] aab=b

Axiom: aab=b.

Referenced by [3], [4], [5], [6], [7], [8], [9].

[2] aaa=abba

Axiom: abba=aaa.

Flip LHS and RHS.

Referenced by [3], [4], [9], [12].

[3] abbab=ab

Overlap of [2] aaa=abba with [1] aab=b:

a aa aab

Critical pair: ab=abbab.

Flip LHS and RHS.

Referenced by [5].

[4] abbaa=bba

Overlap of [2] aaa=abba with [2] aaa=abba:

a aa aaa

Critical pair: aabba=abbaa.

Reduce LHS:

[1](aab)ba
bba

Flip LHS and RHS.

Referenced by [6], [7].

[5] bbab=b

Overlap of [1] aab=b with [3] abbab=ab:

a ab abbab

Critical pair: aab=bbab.

Reduce LHS:

[1](aab)
b

Flip LHS and RHS.

Referenced by [7], [9].

[6] bbaa=abba

Overlap of [1] aab=b with [4] abbaa=bba:

a ab abbaa

Critical pair: abba=bbaa.

Flip LHS and RHS.

Referenced by [10].

[7] abbb=b

Overlap of [4] abbaa=bba with [1] aab=b:

abb aa aab

Critical pair: abbb=bbab.

Reduce RHS:

[5](bbab)
b

Referenced by [8], [9], [11].

[8] ab=bbb

Overlap of [1] aab=b with [7] abbb=b:

a ab abbb

Critical pair: ab=bbb.

Defines rule #2.

Referenced by [9], [10], [11], [12].

[9] bbbbb=b

Overlap of [2] aaa=abba with [7] abbb=b:

aa a abbb

Critical pair: aab=abbabbb.

Reduce LHS:

[1](aab)
b

Reduce RHS:

[5]a(bbab)bb
[8](ab)bb
bbbbb

Flip LHS and RHS.

Defines rule #1.

Referenced by [11].

[10] bbaa=bbbba

Simplify [6] bbaa=abba.

Reduce RHS:

[8](ab)ba
bbbba

Referenced by [11].

[11] baa=bbba

Overlap of [7] abbb=b with [10] bbaa=bbbba:

ab bb bbaa

Critical pair: abbbbba=baa.

Reduce LHS:

[9]a(bbbbb)a
[8](ab)a
bbba

Flip LHS and RHS.

Defines rule #3.

[12] aaa=bbbba

Simplify [2] aaa=abba.

Reduce RHS:

[8](ab)ba
bbbba

Defines rule #4.