The subject of the article is the assessment of the way of presentation of the issue of realism and idealism in the Controversy over the Existence of the World by R. Ingarden. First, the author of this paper offers his own systematization of the issue of ‘realism – idealism’, then he goes on to show Ingarden’s position. The modern opposition ‘realism – idealism’ can be divided into three main areas: (1) the problem of the existence of the so‑called ‘constitutive a priori’, (2) the problem of the argumentative transgression of the immanence of consciousness (the so‑called ‘bridge problem’), (3) the problem of the causal genesis of the image of the world at the disposal of human cognitive subjects (skeptical hypotheses). The author undertakes...