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The model of the universe, offered by K.Popper, is discussed, which is represented by the generically uniform 'three worlds'. 'World 1' is the world of physical phenomena at micro, macro and mega levels. 'World 2' is the world of mental, or psychic, conditions, that is, subjective conditions of the consciousness, when each human builds his/her specific world and inhabits therein, and the diversity...
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