Certificate for #3019 ⟨a, b, c | aba=a, bcb=a⟩

Completion settings:

[1] aba=a

Axiom: aba=a.

Referenced by [3].

[2] a=bcb

Axiom: bcb=a.

Flip LHS and RHS.

Defines rule #2.

Referenced by [3], [4].

[3] aba=bcb

Simplify [1] aba=a.

Reduce RHS:

[2](a)
⇒ bcb

Referenced by [4].

[4] bcbbbcb=bcb

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

aba a

Critical pair: bcbba=bcb.

Reduce LHS:

[2]bcbb(a)
⇒ bcbbbcb

Defines rule #1.