Certificate for #5346 ⟨a, b | aaa=bb, abb=ab⟩

Completion settings:

[1] aaa=bb

Axiom: aaa=bb.

Defines rule #4.

Referenced by [3], [4].

[2] abb=ab

Axiom: abb=ab.

Referenced by [3], [4], [5].

[3] ab=bba

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

a aa aaa

Critical pair: abb=bba.

Reduce LHS:

[2](abb)
⇒ ab

Defines rule #3.

Referenced by [5].

[4] bbbb=bbb

Overlap of [1] aaa=bb with [2] abb=ab:

aa a abb

Critical pair: aaab=bbbb.

Reduce LHS:

[1](aaa)b
⇒ bbb

Flip LHS and RHS.

Defines rule #1.

Referenced by [5].

[5] bbba=bba

Overlap of [2] abb=ab with [3] ab=bba:

abb ab

Critical pair: bbab=ab.

Reduce LHS:

[3]bb(ab)
[4]⇒ (bbbb)a
⇒ bbba

Reduce RHS:

[3](ab)
⇒ bba

Defines rule #2.