Certificate for #19826 ⟨a, b | aaa=a, abbb=bba⟩

Completion settings:

[1] aaa=a

Axiom: aaa=a.

Defines rule #4.

Referenced by [3], [7], [9].

[2] bba=abbb

Axiom: abbb=bba.

Flip LHS and RHS.

Defines rule #2.

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

[3] abababbb=abbb

Overlap of [2] bba=abbb with [1] aaa=a:

bb a aaa

Critical pair: bba=abbbaa.

Reduce LHS:

[2](bba)
⇒ abbb

Reduce RHS:

[2]ab(bba)a
[2]⇒ abab(bba)
⇒ abababbb

Flip LHS and RHS.

Defines rule #6.

Referenced by [4], [5], [6].

[4] aababbbbbbbbbbbb=abbbbbb

Overlap of [2] bba=abbb with [3] abababbb=abbb:

bb a abababbb

Critical pair: bbabbb=abbbbababbb.

Reduce LHS:

[2](bba)bbb
⇒ abbbbbb

Reduce RHS:

[2]abb(bba)babbb
[2]⇒ a(bba)bbbbabbb
[2]⇒ aabbbbb(bba)bbb
[2]⇒ aabbb(bba)bbbbbb
[2]⇒ aab(bba)bbbbbbbbb
⇒ aababbbbbbbbbbbb

Flip LHS and RHS.

Referenced by [7].

[5] ababaabbbbbb=aabbbbbb

Overlap of [3] abababbb=abbb with [2] bba=abbb:

abababb b bba

Critical pair: abababbabbb=abbbba.

Reduce LHS:

[2]ababa(bba)bbb
⇒ ababaabbbbbb

Reduce RHS:

[2]abb(bba)
[2]⇒ a(bba)bbb
⇒ aabbbbbb

Referenced by [6].

[6] ababbbbbbbbb=aabbbbbbbbbbbbbbbbbb

Overlap of [2] bba=abbb with [5] ababaabbbbbb=aabbbbbb:

bb a ababaabbbbbb

Critical pair: bbaabbbbbb=abbbbabaabbbbbb.

Reduce LHS:

[2](bba)abbbbbb
[2]⇒ ab(bba)bbbbbb
⇒ ababbbbbbbbb

Reduce RHS:

[2]abb(bba)baabbbbbb
[2]⇒ a(bba)bbbbaabbbbbb
[2]⇒ aabbbbb(bba)abbbbbb
[2]⇒ aabbb(bba)bbbabbbbbb
[2]⇒ aab(bba)bbbbbbabbbbbb
[2]⇒ aababbbbbbb(bba)bbbbbb
[2]⇒ aababbbbb(bba)bbbbbbbbb
[2]⇒ aababbb(bba)bbbbbbbbbbbb
[2]⇒ aabab(bba)bbbbbbbbbbbbbbb
[3]⇒ a(abababbb)bbbbbbbbbbbbbbb
⇒ aabbbbbbbbbbbbbbbbbb

Referenced by [7], [8].

[7] abbbbbbbbbbbbbbbbbbbbb=abbbbbb

Simplify [4] aababbbbbbbbbbbb=abbbbbb.

Reduce LHS:

[6]a(ababbbbbbbbb)bbb
[1]⇒ (aaa)bbbbbbbbbbbbbbbbbbbbb
⇒ abbbbbbbbbbbbbbbbbbbbb

Defines rule #1.

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

[8] ababbbbbb=aabbbbbbbbbbbbbbb

Overlap of [2] bba=abbb with [6] ababbbbbbbbb=aabbbbbbbbbbbbbbbbbb:

bb a ababbbbbbbbb

Critical pair: bbaabbbbbbbbbbbbbbbbbb=abbbbabbbbbbbbb.

Reduce LHS:

[2](bba)abbbbbbbbbbbbbbbbbb
[2]⇒ ab(bba)bbbbbbbbbbbbbbbbbb
[7]⇒ ab(abbbbbbbbbbbbbbbbbbbbb)
⇒ ababbbbbb

Reduce RHS:

[2]abb(bba)bbbbbbbbb
[2]⇒ a(bba)bbbbbbbbbbbb
⇒ aabbbbbbbbbbbbbbb

Defines rule #3.

Referenced by [9].

[9] abaabbbbbbbbb=abbbbbbbbbbbbbbb

Overlap of [8] ababbbbbb=aabbbbbbbbbbbbbbb with [2] bba=abbb:

ababbbb bb bba

Critical pair: ababbbbabbb=aabbbbbbbbbbbbbbba.

Reduce LHS:

[2]ababb(bba)bbb
[2]⇒ aba(bba)bbbbbb
⇒ abaabbbbbbbbb

Reduce RHS:

[2]aabbbbbbbbbbbbb(bba)
[2]⇒ aabbbbbbbbbbb(bba)bbb
[2]⇒ aabbbbbbbbb(bba)bbbbbb
[2]⇒ aabbbbbbb(bba)bbbbbbbbb
[2]⇒ aabbbbb(bba)bbbbbbbbbbbb
[2]⇒ aabbb(bba)bbbbbbbbbbbbbbb
[2]⇒ aab(bba)bbbbbbbbbbbbbbbbbb
[7]⇒ aab(abbbbbbbbbbbbbbbbbbbbb)
[8]⇒ a(ababbbbbb)
[1]⇒ (aaa)bbbbbbbbbbbbbbb
⇒ abbbbbbbbbbbbbbb

Referenced by [10].

[10] abaabbbbbb=abbbbbbbbbbbb

Overlap of [9] abaabbbbbbbbb=abbbbbbbbbbbbbbb with [7] abbbbbbbbbbbbbbbbbbbbb=abbbbbb:

aba abbbbbbbbb abbbbbbbbbbbbbbbbbbbbb

Critical pair: abaabbbbbb=abbbbbbbbbbbbbbbbbbbbbbbbbbb.

Reduce RHS:

[7](abbbbbbbbbbbbbbbbbbbbb)bbbbbb
⇒ abbbbbbbbbbbb

Defines rule #5.