Certificate for #2057 ⟨a, b | abababba=ab

Completion settings:

[1] abababba=ab

Axiom: abababba=ab.

Referenced by [4].

[2] ab=c

Axiom: ab=c.

Defines rule #3.

Referenced by [4], [5], [6], [11].

[3] cb=d

Axiom: cb=d.

Defines rule #4.

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

[4] abababba=c

Simplify [1] abababba=ab.

Reduce RHS:

[2](ab)
c

Referenced by [5].

[5] ccda=c

Overlap of [4] abababba=c with [2] ab=c:

abababba ab

Critical pair: cababba=c.

Reduce LHS:

[2]c(ab)abba
[2]cc(ab)ba
[3]cc(cb)a
ccda

Defines rule #1.

Referenced by [6], [8].

[6] ccdc=d

Overlap of [5] ccda=c with [2] ab=c:

ccd a ab

Critical pair: ccdc=cb.

Reduce RHS:

[3](cb)
d

Defines rule #2.

Referenced by [7], [8], [9], [10].

[7] db=ccdd

Overlap of [6] ccdc=d with [3] cb=d:

ccd c cb

Critical pair: ccdd=db.

Flip LHS and RHS.

Defines rule #9.

Referenced by [11].

[8] dcda=d

Overlap of [6] ccdc=d with [5] ccda=c:

ccd c ccda

Critical pair: ccdc=dcda.

Reduce LHS:

[6](ccdc)
d

Flip LHS and RHS.

Defines rule #6.

Referenced by [10].

[9] dcdc=ccdd

Overlap of [6] ccdc=d with [6] ccdc=d:

ccd c ccdc

Critical pair: ccdd=dcdc.

Flip LHS and RHS.

Defines rule #8.

[10] dda=ccd

Overlap of [6] ccdc=d with [8] dcda=d:

cc dc dcda

Critical pair: ccd=dda.

Flip LHS and RHS.

Defines rule #5.

Referenced by [11].

[11] ddc=ccccdd

Overlap of [10] dda=ccd with [2] ab=c:

dd a ab

Critical pair: ddc=ccdb.

Reduce RHS:

[7]cc(db)
ccccdd

Defines rule #7.