Certificate for #4683 ⟨a, b | aaab=b, abba=a

Completion settings:

[1] aaab=b

Axiom: aaab=b.

Referenced by [3], [4], [5].

[2] abba=a

Axiom: abba=a.

Referenced by [3], [4], [6], [11].

[3] aaa=bba

Overlap of [1] aaab=b with [2] abba=a:

aa ab abba

Critical pair: aaa=bba.

Referenced by [4], [5], [6], [8], [12].

[4] bbab=abbb

Overlap of [2] abba=a with [1] aaab=b:

abb a aaab

Critical pair: abbb=aaab.

Reduce RHS:

[3](aaa)b
bbab

Flip LHS and RHS.

Referenced by [5], [10], [12], [13].

[5] abbb=b

Overlap of [1] aaab=b with [3] aaa=bba:

aaab aaa

Critical pair: bbab=b.

Reduce LHS:

[4](bbab)
abbb

Referenced by [7], [10], [13], [15].

[6] bbaa=a

Overlap of [3] aaa=bba with [3] aaa=bba:

a aa aaa

Critical pair: abba=bbaa.

Reduce LHS:

[2](abba)
a

Flip LHS and RHS.

Referenced by [7], [8], [12].

[7] baa=aba

Overlap of [5] abbb=b with [6] bbaa=a:

ab bb bbaa

Critical pair: aba=baa.

Flip LHS and RHS.

Referenced by [9].

[8] aa=bbbba

Overlap of [6] bbaa=a with [3] aaa=bba:

bb aa aaa

Critical pair: bbbba=aa.

Flip LHS and RHS.

Defines rule #4.

Referenced by [9], [11], [12], [13].

[9] aba=bbbbba

Simplify [7] baa=aba.

Reduce LHS:

[8]b(aa)
bbbbba

Flip LHS and RHS.

Referenced by [10].

[10] abb=bbbbbb

Overlap of [9] aba=bbbbba with [5] abbb=b:

ab a abbb

Critical pair: abb=bbbbbabbb.

Reduce RHS:

[4]bbb(bbab)bb
[4]b(bbab)bbbb
[5]b(abbb)bbbb
bbbbbb

Referenced by [11], [12], [13], [14].

[11] bbbbbbbbbba=bbbba

Overlap of [2] abba=a with [8] aa=bbbba:

abb a aa

Critical pair: abbbbbba=aa.

Reduce LHS:

[10](abb)bbbba
bbbbbbbbbba

Reduce RHS:

[8](aa)
bbbba

Referenced by [12].

[12] bbbbbba=a

Overlap of [3] aaa=bba with [8] aa=bbbba:

aa a aa

Critical pair: aabbbba=bbaa.

Reduce LHS:

[8](aa)bbbba
[4]bb(bbab)bbba
[4](bbab)bbbbba
[10](abb)bbbbbba
[11]bb(bbbbbbbbbba)
bbbbbba

Reduce RHS:

[6](bbaa)
a

Defines rule #3.

[13] ab=bbbbbbbbbbb

Overlap of [8] aa=bbbba with [5] abbb=b:

a a abbb

Critical pair: ab=bbbbabbb.

Reduce RHS:

[4]bb(bbab)bb
[4](bbab)bbbb
[10](abb)bbbbb
bbbbbbbbbbb

Referenced by [14], [15], [16].

[14] bbbbbbbbbbbb=bbbbbb

Simplify [10] abb=bbbbbb.

Reduce LHS:

[13](ab)b
bbbbbbbbbbbb

Referenced by [15].

[15] bbbbbbb=b

Overlap of [5] abbb=b with [13] ab=bbbbbbbbbbb:

abbb ab

Critical pair: bbbbbbbbbbbbb=b.

Reduce LHS:

[14](bbbbbbbbbbbb)b
bbbbbbb

Defines rule #1.

Referenced by [16].

[16] ab=bbbbb

Simplify [13] ab=bbbbbbbbbbb.

Reduce RHS:

[15](bbbbbbb)bbbb
bbbbb

Defines rule #2.