EN
An essay inspired by Lubomir Dolezel's 'Heterocosmica: Fiction and Possible Worlds' presents - in part polemically - the essential features of the theory of fictional worlds (including clear definitions of the terms 'actual', 'possible', and 'fictional' worlds), and, following on from this, it interprets the short story 'Muzeum tety Laury' (Aunt Laura's Museum) from Frantisek Langer's collection 'Malirské povidky' (A painter's tales).