Certificate for #2813 ⟨a, b, c | aaa=a, bcb=a⟩

Completion settings:

[1] aaa=a

Axiom: aaa=a.

Referenced by [3].

[2] a=bcb

Axiom: bcb=a.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aaa=bcb

Simplify [1] aaa=a.

Reduce RHS:

[2](a)
⇒ bcb

Referenced by [4].

[4] bcbbcbbcb=bcb

Overlap of [3] aaa=bcb with [2] a=bcb:

aaa a

Critical pair: bcbaa=bcb.

Reduce LHS:

[2]bcb(a)a
[2]⇒ bcbbcb(a)
⇒ bcbbcbbcb

Defines rule #1.