Certificate for #13255 ⟨a, b | bab=aba, bba=aa

Completion settings:

[1] bab=aba

Axiom: bab=aba.

Defines rule #5.

Referenced by [3], [4], [6], [8], [10].

[2] bba=aa

Axiom: bba=aa.

Defines rule #4.

Referenced by [3], [4], [6], [7].

[3] aabaa=baaa

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

ba b bba

Critical pair: baaa=ababa.

Reduce RHS:

[1]a(bab)a
aabaa

Flip LHS and RHS.

Referenced by [5].

[4] aab=abaa

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

b ba bab

Critical pair: baba=aab.

Reduce LHS:

[1](bab)a
abaa

Flip LHS and RHS.

Defines rule #3.

Referenced by [5], [8], [9].

[5] abaaaa=baaa

Simplify [3] aabaa=baaa.

Reduce LHS:

[4](aab)aa
abaaaa

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

[6] baaaa=aaaa

Overlap of [1] bab=aba with [5] abaaaa=baaa:

b ab abaaaa

Critical pair: bbaaa=abaaaaa.

Reduce LHS:

[2](bba)aa
aaaa

Reduce RHS:

[5](abaaaa)a
baaaa

Flip LHS and RHS.

Referenced by [7], [10].

[7] abaaa=aaaa

Overlap of [2] bba=aa with [5] abaaaa=baaa:

bb a abaaaa

Critical pair: bbbaaa=aabaaaa.

Reduce LHS:

[2]b(bba)aa
[6](baaaa)
aaaa

Reduce RHS:

[5]a(abaaaa)
abaaa

Flip LHS and RHS.

Referenced by [8], [9], [10], [11].

[8] aaaaaaa=aaaaaa

Overlap of [5] abaaaa=baaa with [4] aab=abaa:

abaa aa aab

Critical pair: abaaabaa=baaab.

Reduce LHS:

[7](abaaa)baa
[4]aa(aab)aa
[7]aa(abaaa)a
aaaaaaa

Reduce RHS:

[4]ba(aab)
[4]b(aab)aa
[1](bab)aaaa
[7](abaaa)aa
aaaaaa

Referenced by [9].

[9] aaaaaa=aaaa

Overlap of [4] aab=abaa with [5] abaaaa=baaa:

a ab abaaaa

Critical pair: abaaa=abaaaaaa.

Reduce LHS:

[7](abaaa)
aaaa

Reduce RHS:

[7](abaaa)aaa
[8](aaaaaaa)
aaaaaa

Flip LHS and RHS.

Referenced by [10].

[10] aaaaa=aaaa

Overlap of [1] bab=aba with [6] baaaa=aaaa:

ba b baaaa

Critical pair: baaaaa=abaaaaa.

Reduce LHS:

[6](baaaa)a
aaaaa

Reduce RHS:

[7](abaaa)aa
[9](aaaaaa)
aaaa

Defines rule #1.

Referenced by [11].

[11] baaa=aaaa

Overlap of [5] abaaaa=baaa with [7] abaaa=aaaa:

abaaaa abaaa

Critical pair: aaaaa=baaa.

Reduce LHS:

[10](aaaaa)
aaaa

Flip LHS and RHS.

Defines rule #2.