relation bearer properties ref name sandk hler substratum theorists hold kind substance ' 'substratum'' ''bare particular'' acts bearer ref name benovsky ref bundle theory alternative view away substratum altogether objects taken bundle properties ref name robinson held together substratum called ''compresence relation'' responsible bundling substratum theory bundle theory combined conceptualizing properties universals particulars ref name benovsky important distinction among properties ''categorical'' ' 'dispositional'' properties ref name borchert ref name kriegel categorical
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