Certificate for #12985 ⟨a, b | abb=aaa, baba=b

Completion settings:

[1] abb=aaa

Axiom: abb=aaa.

Referenced by [5], [6], [7], [9].

[2] baba=b

Axiom: baba=b.

Referenced by [3], [4].

[3] bab=bba

Overlap of [2] baba=b with [2] baba=b:

ba ba baba

Critical pair: bab=bba.

Referenced by [4], [5].

[4] bbaa=b

Overlap of [2] baba=b with [3] bab=bba:

baba bab

Critical pair: bbaa=b.

Referenced by [6], [7], [8], [10].

[5] aaaab=aaaba

Overlap of [1] abb=aaa with [3] bab=bba:

ab b bab

Critical pair: abbba=aaaab.

Reduce LHS:

[1](abb)ba
aaaba

Flip LHS and RHS.

Referenced by [9].

[6] ab=aaaaa

Overlap of [1] abb=aaa with [4] bbaa=b:

a bb bbaa

Critical pair: ab=aaaaa.

Defines rule #3.

Referenced by [9].

[7] bbb=baa

Overlap of [4] bbaa=b with [1] abb=aaa:

bba a abb

Critical pair: bbaaaa=bbb.

Reduce LHS:

[4](bbaa)aa
baa

Flip LHS and RHS.

Referenced by [8].

[8] bb=baaaa

Overlap of [7] bbb=baa with [4] bbaa=b:

b bb bbaa

Critical pair: bb=baaaa.

Defines rule #4.

Referenced by [10].

[9] aaaaaaaaa=aaa

Overlap of [1] abb=aaa with [6] ab=aaaaa:

abb ab

Critical pair: aaaaab=aaa.

Reduce LHS:

[5]a(aaaab)
[5](aaaab)a
[6]aa(ab)aa
aaaaaaaaa

Defines rule #1.

[10] baaaaaa=b

Overlap of [4] bbaa=b with [8] bb=baaaa:

bbaa bb

Critical pair: baaaaaa=b.

Defines rule #2.