 His theory of plural reality was merely an attempt to specify the various ways in which the term, “real,” is used.Chwistek's fellow-artist and closest friend, Stanislaw Ignacy Witkiewicz, harshly criticized his philosophical views.Witkiewicz's own philosophy was based on a monadic character to the individual's existence, embracing a multiplicity of existences, with the world being made up of a multiplicity of Particular Existences.