In contemporary societies, the erosion of shared truth undermines not only institutional legitimacy but the very possibility of genuine social bonds. Truth is not a mere abstraction: it is the medium through which people recognize one another, share meanings, and engage in cooperative life. When truth becomes fragmented – through the proliferation of disinformation, deep fakes, and algorithmic echo chambers – trust – both in personal relations and in institutions – collapses, and along with it the moral tissue that binds communities.
A particularly troubling trend is the rise of selective trust on political figures or online communities, which often challenge factual or scientific truths. Such disregard for scientific truth, often in name of common sense or superior truths, presents itself as a correction, in the name of the people, of “truth-regimes” that supposedly advance particular interests. Yet, by subordinating truth to power in this way, we give way to epistemic tribalism, and erode the common social ground that makes cooperation and solidarity possible.
Drawing from classical and contemporary sources – including reflection on the social virtues, social epistemology, and current analyses of the digital media environment – this seminar explores the conditions under which truth and trust can once again become the foundation of civic friendship and peace.