Certificate for #4544 ⟨a, b, c | abc=1, acca=a⟩

Completion settings:

[1] abc=1

Axiom: abc=1.

Defines rule #1.

Referenced by [3].

[2] acca=a

Axiom: acca=a.

Referenced by [3].

[3] acc=1

Overlap of [2] acca=a with [1] abc=1:

acc a abc

Critical pair: acc=abc.

Reduce RHS:

[1](abc)
⇒ 1

Defines rule #2.