Certificate for #1539 ⟨a, b, c | ab=1, ccc=aa⟩

Completion settings:

[1] ab=1

Axiom: ab=1.

Referenced by [3], [5].

[2] aa=ccc

Axiom: ccc=aa.

Flip LHS and RHS.

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

[3] a=cccb

Overlap of [2] aa=ccc with [1] ab=1:

a a ab

Critical pair: a=cccb.

Defines rule #4.

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

[4] ccccccb=cccbccc

Overlap of [2] aa=ccc with [2] aa=ccc:

a a aa

Critical pair: accc=ccca.

Reduce LHS:

[3](a)ccc
⇒ cccbccc

Reduce RHS:

[3]ccc(a)
⇒ ccccccb

Flip LHS and RHS.

Defines rule #2.

[5] cccbb=1

Overlap of [1] ab=1 with [3] a=cccb:

ab a

Critical pair: cccbb=1.

Defines rule #1.

[6] cccbcccb=ccc

Overlap of [2] aa=ccc with [3] a=cccb:

aa a

Critical pair: cccba=ccc.

Reduce LHS:

[3]cccb(a)
⇒ cccbcccb

Defines rule #3.