Essays Brent Delaney, Hans Vaihinger's Hume: Real Fictions and Semi-Fictions in the Treatise 9 Filippo Nobili, Consciousness lived through Husserl's reception of Brentano's inner consciousness 37 Simone Cuconato, Can Nonexistent Mathematical Objects Make a Difference? Meinongianism, indispensability argument and mathematical entanglement 61 Focus Pierluigi Barrotta, Gustavo Cevolani, Roberto Gronda, Luca Tambolo, Introduction: The role of experts in democratic societies: in honor of Paul K. Feyerabend 81 John Preston, Feyerabend, experts, and dilettantes 89 Pierluigi Barrotta, Roberto Gronda, Wisdom, scientific expertise, and laypeople: some remarks on Paul Feyerabend's philosophy of expertise 107 Karim Bschir, Feyerabend's humanitarian pluralism and its relevance for science-based policy 125 Luca Tambolo, Gustavo Cevolani, Feyerabendian pluralism in practice: lessons from the Di Bella case 145 Piero Avitabile, Alessandro Demichelis, Expanding epistemic public trust. What role for expert-lay communication? 163