Certificate for #5504 ⟨a, b, c | ab=c, aaca=c⟩

Completion settings:

[1] ab=c

Axiom: ab=c.

Defines rule #4.

Referenced by [3].

[2] aaca=c

Axiom: aaca=c.

Defines rule #2.

Referenced by [3], [4].

[3] cb=aacc

Overlap of [2] aaca=c with [1] ab=c:

aac a ab

Critical pair: aacc=cb.

Flip LHS and RHS.

Referenced by [5].

[4] aacc=caca

Overlap of [2] aaca=c with [2] aaca=c:

aac a aaca

Critical pair: aacc=caca.

Defines rule #1.

Referenced by [5].

[5] cb=caca

Simplify [3] cb=aacc.

Reduce RHS:

[4](aacc)
⇒ caca

Defines rule #3.