How many voices or individual lines are there in Bachs Contrapunctus I from The Art of Fugue?

In Bach's "Contrapunctus I" from "The Art of Fugue," there are four individual voices or lines. This contrapuntal work showcases Bach's mastery of counterpoint, where each voice interacts and weaves together while maintaining its distinct melodic identity. The interplay among these voices creates a rich and complex texture characteristic of Bach's style.