Certificate for #2017 ⟨a, b, c | abc=ca, cbc=1⟩

Completion settings:

[1] ca=abc

Axiom: abc=ca.

Flip LHS and RHS.

Defines rule #4.

Referenced by [5].

[2] cbc=1

Axiom: cbc=1.

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

[3] cb=bc

Overlap of [2] cbc=1 with [2] cbc=1:

cb c cbc

Critical pair: cb=bc.

Defines rule #1.

Referenced by [4], [5].

[4] bcc=1

Overlap of [2] cbc=1 with [3] cb=bc:

cbc cb

Critical pair: bcc=1.

Defines rule #2.

Referenced by [5], [6].

[5] bab=a

Overlap of [2] cbc=1 with [1] ca=abc:

cb c ca

Critical pair: cbabc=a.

Reduce LHS:

[3](cb)abc
[1]⇒ b(ca)bc
[3]⇒ bab(cb)c
[4]⇒ bab(bcc)
⇒ bab

Referenced by [6].

[6] ba=acc

Overlap of [5] bab=a with [4] bcc=1:

ba b bcc

Critical pair: ba=acc.

Defines rule #3.