Certificate for #1607 ⟨a, b | aaa=bb, bab=b⟩

Completion settings:

[1] aaa=bb

Axiom: aaa=bb.

Defines rule #5.

Referenced by [3], [6].

[2] bab=b

Axiom: bab=b.

Defines rule #3.

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

[3] bba=abb

Overlap of [1] aaa=bb with [1] aaa=bb:

a aa aaa

Critical pair: abb=bba.

Flip LHS and RHS.

Referenced by [4], [5], [9].

[4] baabb=abb

Overlap of [2] bab=b with [3] bba=abb:

ba b bba

Critical pair: baabb=bba.

Reduce RHS:

[3](bba)
⇒ abb

Referenced by [7].

[5] abbb=bb

Overlap of [3] bba=abb with [2] bab=b:

b ba bab

Critical pair: bb=abbb.

Flip LHS and RHS.

Referenced by [6].

[6] aabb=bbbbb

Overlap of [1] aaa=bb with [5] abbb=bb:

aa a abbb

Critical pair: aabb=bbbbb.

Referenced by [7].

[7] abb=bbbbbb

Simplify [4] baabb=abb.

Reduce LHS:

[6]b(aabb)
⇒ bbbbbb

Flip LHS and RHS.

Defines rule #2.

Referenced by [8], [9].

[8] bbbbbbb=bb

Overlap of [2] bab=b with [7] abb=bbbbbb:

b ab abb

Critical pair: bbbbbbb=bb.

Defines rule #1.

[9] bba=bbbbbb

Simplify [3] bba=abb.

Reduce RHS:

[7](abb)
⇒ bbbbbb

Defines rule #4.