Certificate for #15841 ⟨a, b | aba=ab, aaaaa=a

Completion settings:

[1] aba=ab

Axiom: aba=ab.

Referenced by [4].

[2] aaaaa=a

Axiom: aaaaa=a.

Defines rule #4.

Referenced by [7].

[3] ab=c

Axiom: ab=c.

Defines rule #1.

Referenced by [4], [5], [6], [7].

[4] aba=c

Simplify [1] aba=ab.

Reduce RHS:

[3](ab)
c

Referenced by [5].

[5] ca=c

Overlap of [4] aba=c with [3] ab=c:

aba ab

Critical pair: ca=c.

Defines rule #2.

Referenced by [6].

[6] cb=cc

Overlap of [5] ca=c with [3] ab=c:

c a ab

Critical pair: cc=cb.

Flip LHS and RHS.

Defines rule #3.

[7] aaaac=c

Overlap of [2] aaaaa=a with [3] ab=c:

aaaa a ab

Critical pair: aaaac=ab.

Reduce RHS:

[3](ab)
c

Defines rule #5.