Certificate for #12236 ⟨a, b | aaab=aa, bbab=a

Completion settings:

[1] aaab=aa

Axiom: aaab=aa.

Referenced by [4], [5], [7], [8].

[2] bbab=a

Axiom: bbab=a.

Defines rule #5.

Referenced by [3], [4], [6], [9], [11].

[3] abab=bbaa

Overlap of [2] bbab=a with [2] bbab=a:

bba b bbab

Critical pair: bbaa=abab.

Flip LHS and RHS.

Referenced by [4], [5], [6], [7], [12].

[4] abbaa=aaaa

Overlap of [1] aaab=aa with [2] bbab=a:

aaa b bbab

Critical pair: aaaa=aabab.

Reduce RHS:

[3]a(abab)
abbaa

Flip LHS and RHS.

Referenced by [5], [9].

[5] aaaaa=aa

Overlap of [1] aaab=aa with [3] abab=bbaa:

aa ab abab

Critical pair: aabbaa=aaab.

Reduce LHS:

[4]a(abbaa)
aaaaa

Reduce RHS:

[1](aaab)
aa

Defines rule #1.

Referenced by [8].

[6] bbbbaa=aab

Overlap of [2] bbab=a with [3] abab=bbaa:

bb ab abab

Critical pair: bbbbaa=aab.

Referenced by [10].

[7] abbbaa=bbaa

Overlap of [3] abab=bbaa with [3] abab=bbaa:

ab ab abab

Critical pair: abbbaa=bbaaab.

Reduce RHS:

[1]bb(aaab)
bbaa

Referenced by [11].

[8] aab=aaaa

Overlap of [5] aaaaa=aa with [1] aaab=aa:

aa aaa aaab

Critical pair: aaaa=aab.

Flip LHS and RHS.

Defines rule #2.

Referenced by [10].

[9] bbaaaa=abaa

Overlap of [2] bbab=a with [4] abbaa=aaaa:

bb ab abbaa

Critical pair: bbaaaa=abaa.

Referenced by [11].

[10] bbbbaa=aaaa

Simplify [6] bbbbaa=aab.

Reduce RHS:

[8](aab)
aaaa

Referenced by [11].

[11] bbaa=abaaa

Overlap of [2] bbab=a with [10] bbbbaa=aaaa:

bba b bbbbaa

Critical pair: bbaaaaa=abbbaa.

Reduce LHS:

[9](bbaaaa)a
abaaa

Reduce RHS:

[7](abbbaa)
bbaa

Flip LHS and RHS.

Defines rule #3.

Referenced by [12].

[12] abab=abaaa

Simplify [3] abab=bbaa.

Reduce RHS:

[11](bbaa)
abaaa

Defines rule #4.