Jacques Derrida
Kopić is influenced by and writes extensively on Friedrich Nietzsche, Martin Heidegger, Hannah Arendt, Jacques Derrida, Gianni Vattimo, Reiner Schürmann and Dušan Pirjevec. He also translated works by Nietzsche ("Thus Spoke Zarathustra", "On the Genealogy of Morality"), Giorgio Agamben, Gianni Vattimo, Jacques Derrida, Emmanuel Levinas and Dušan Pirjevec into Croatian.