Certificate for #6034 ⟨a, b, c | ab=c, aca=ac⟩

Completion settings:

[1] ab=c

Axiom: ab=c.

Defines rule #1.

Referenced by [6].

[2] aca=ac

Axiom: aca=ac.

Referenced by [4].

[3] ac=d

Axiom: ac=d.

Defines rule #2.

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

[4] aca=d

Simplify [2] aca=ac.

Reduce RHS:

[3](ac)
⇒ d

Referenced by [5].

[5] da=d

Overlap of [4] aca=d with [3] ac=d:

aca ac

Critical pair: da=d.

Defines rule #3.

Referenced by [6], [7].

[6] dc=db

Overlap of [5] da=d with [1] ab=c:

d a ab

Critical pair: dc=db.

Referenced by [7], [8].

[7] db=dd

Overlap of [5] da=d with [3] ac=d:

d a ac

Critical pair: dd=dc.

Reduce RHS:

[6](dc)
⇒ db

Flip LHS and RHS.

Defines rule #4.

Referenced by [8].

[8] dc=dd

Simplify [6] dc=db.

Reduce RHS:

[7](db)
⇒ dd

Defines rule #5.