The paper maps the use of the principle of randomness in artistic activity with a focus on visual art and the placement of Czech art into the world context. It examines the hypothesis whether randomness in the hands of the artist becomes an instrument to objectify his or her work and to approach the general principles of the natural world, which, according to the assumption, add novelty and consequently increases its artistic value. The text begins with an etymological interpretation of the concept of randomness, further observes the randomness as phenomenon in various social spheres, and eventually presents the artistic movements and artworks that systematically use randomness. An overview of avant-garde art and abstraction of the first half of the 20th century will allow the author to interpret the principles of randomness used in computer art. The work concludes with a detailed analysis of Zdeněk Sýkora's work, in which, according to the author, the development line of precomputational art is mirrored, along with a breakthrough to digital tools. The conclusion of the work reveals the diversity of the application of the principle of randomness in the art world and finds a common divisor in the objectivizing function, respectively the rising aesthetic value. Through this interpretation, Zdeněk...