Certificate for #1963 ⟨a, b | aba=b, aaabb=1⟩

Completion settings:

[1] aba=b

Axiom: aba=b.

Referenced by [3], [5], [6], [7], [10], [12], [13].

[2] aaabb=1

Axiom: aaabb=1.

Referenced by [4].

[3] abb=bba

Overlap of [1] aba=b with [1] aba=b:

ab a aba

Critical pair: abb=bba.

Referenced by [4], [6], [7], [8], [9], [10], [11].

[4] bbaaa=1

Simplify [2] aaabb=1.

Reduce LHS:

[3]aa(abb)
[3]a(abb)a
[3](abb)aa
bbaaa

Referenced by [5], [6], [10], [15].

[5] bbaab=ba

Overlap of [4] bbaaa=1 with [1] aba=b:

bbaa a aba

Critical pair: bbaab=ba.

Referenced by [8].

[6] bbbaa=ab

Overlap of [3] abb=bba with [4] bbaaa=1:

ab b bbaaa

Critical pair: ab=bbabaaa.

Reduce RHS:

[1]bb(aba)aa
bbbaa

Flip LHS and RHS.

Referenced by [7], [8].

[7] bbba=aab

Overlap of [3] abb=bba with [6] bbbaa=ab:

a bb bbbaa

Critical pair: aab=bbabaa.

Reduce RHS:

[1]bb(aba)a
bbba

Flip LHS and RHS.

Referenced by [8], [9], [10].

[8] bbab=baa

Overlap of [6] bbbaa=ab with [3] abb=bba:

bbba a abb

Critical pair: bbbabba=abbb.

Reduce LHS:

[7](bbba)bba
[3]a(abb)ba
[3](abb)aba
[5](bbaab)a
baa

Reduce RHS:

[3](abb)b
bbab

Flip LHS and RHS.

Referenced by [9], [11].

[9] aaab=baaa

Overlap of [3] abb=bba with [7] bbba=aab:

a bb bbba

Critical pair: aaab=bbaba.

Reduce RHS:

[8](bbab)a
baaa

Referenced by [14].

[10] bbbb=1

Overlap of [7] bbba=aab with [1] aba=b:

bbb a aba

Critical pair: bbbb=aabba.

Reduce RHS:

[3]a(abb)a
[3](abb)aa
[4](bbaaa)
⇒ 1

Referenced by [11], [14].

[11] baab=a

Overlap of [3] abb=bba with [10] bbbb=1:

a bb bbbb

Critical pair: a=bbabb.

Reduce RHS:

[8](bbab)b
baab

Flip LHS and RHS.

Referenced by [12].

[12] bab=aa

Overlap of [1] aba=b with [11] baab=a:

a ba baab

Critical pair: aa=bab.

Flip LHS and RHS.

Referenced by [13], [14].

[13] bb=aaa

Overlap of [1] aba=b with [12] bab=aa:

a ba bab

Critical pair: aaa=bb.

Flip LHS and RHS.

Defines rule #3.

Referenced by [14], [15].

[14] ab=baaaaa

Overlap of [10] bbbb=1 with [12] bab=aa:

bbb b bab

Critical pair: bbbaa=ab.

Reduce LHS:

[13](bb)baa
[9](aaab)aa
baaaaa

Flip LHS and RHS.

Defines rule #2.

[15] aaaaaa=1

Overlap of [4] bbaaa=1 with [13] bb=aaa:

bbaaa bb

Critical pair: aaaaaa=1.

Defines rule #1.