Certificate for #4626 ⟨a, b | aaaa=a, baab=a

Completion settings:

[1] aaaa=a

Axiom: aaaa=a.

Defines rule #2.

Referenced by [8], [9].

[2] baab=a

Axiom: baab=a.

Referenced by [4].

[3] ab=c

Axiom: ab=c.

Defines rule #7.

Referenced by [4], [5], [8], [12].

[4] bac=a

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

ba ab ab

Critical pair: bac=a.

Referenced by [5], [6].

[5] cac=aa

Overlap of [3] ab=c with [4] bac=a:

a b bac

Critical pair: aa=cac.

Flip LHS and RHS.

Defines rule #1.

Referenced by [6], [7].

[6] baaa=aac

Overlap of [4] bac=a with [5] cac=aa:

ba c cac

Critical pair: baaa=aac.

Referenced by [9], [10].

[7] caaa=aaac

Overlap of [5] cac=aa with [5] cac=aa:

ca c cac

Critical pair: caaa=aaac.

Referenced by [11].

[8] aaac=c

Overlap of [1] aaaa=a with [3] ab=c:

aaa a ab

Critical pair: aaac=ab.

Reduce RHS:

[3](ab)
c

Defines rule #3.

Referenced by [10], [11].

[9] ba=aaca

Overlap of [6] baaa=aac with [1] aaaa=a:

b aaa aaaa

Critical pair: ba=aaca.

Defines rule #5.

[10] bc=aacc

Overlap of [6] baaa=aac with [8] aaac=c:

b aaa aaac

Critical pair: bc=aacc.

Defines rule #6.

[11] caaa=c

Simplify [7] caaa=aaac.

Reduce RHS:

[8](aaac)
c

Defines rule #4.

Referenced by [12].

[12] cb=caac

Overlap of [11] caaa=c with [3] ab=c:

caa a ab

Critical pair: caac=cb.

Flip LHS and RHS.

Defines rule #8.