Certificate for #1823 ⟨a, b, c | aba=ab, ccb=1⟩

Completion settings:

[1] aba=ab

Axiom: aba=ab.

Referenced by [4].

[2] ccb=1

Axiom: ccb=1.

Defines rule #2.

Referenced by [5].

[3] ba=d

Axiom: ba=d.

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

[4] ab=ad

Overlap of [1] aba=ab with [3] ba=d:

a ba ba

Critical pair: ad=ab.

Flip LHS and RHS.

Referenced by [6].

[5] a=ccd

Overlap of [2] ccb=1 with [3] ba=d:

cc b ba

Critical pair: ccd=a.

Flip LHS and RHS.

Defines rule #5.

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

[6] ccdb=ccdd

Simplify [4] ab=ad.

Reduce LHS:

[5](a)b
⇒ ccdb

Reduce RHS:

[5](a)d
⇒ ccdd

Referenced by [7], [9].

[7] ccddccd=ccdd

Overlap of [6] ccdb=ccdd with [3] ba=d:

ccd b ba

Critical pair: ccdd=ccdda.

Reduce RHS:

[5]ccdd(a)
⇒ ccddccd

Flip LHS and RHS.

Referenced by [10].

[8] bccd=d

Overlap of [3] ba=d with [5] a=ccd:

b a a

Critical pair: bccd=d.

Defines rule #3.

Referenced by [9], [10].

[9] db=dd

Overlap of [8] bccd=d with [6] ccdb=ccdd:

b ccd ccdb

Critical pair: bccdd=db.

Reduce LHS:

[8](bccd)d
⇒ dd

Flip LHS and RHS.

Defines rule #1.

[10] ddccd=dd

Overlap of [8] bccd=d with [7] ccddccd=ccdd:

b ccd ccddccd

Critical pair: bccdd=ddccd.

Reduce LHS:

[8](bccd)d
⇒ dd

Flip LHS and RHS.

Defines rule #4.