ИСТИНА

In the abstract a special group of non-motivated structurally compound prepositions which includes contaminations of non-motivated (simple) prepositions regardless of their spelling is described; the Ukrainian and Russian prepositions of the group are compared; some peculiarities of the Ukrainian prepositions are revealed; the semantics of the non-motivated structurally compound Ukrainian prepositions including po are enumerated; Russian equivalents for the Ukrainian prepositions in question are presented; system-defined opportunities of the Russian language in this field are shown (real but substandard examples)