According to the interpretational theory of logical validity (IR), logical validity is preservation of truth in all interpretations compatible with the intended meaning of logical expressions. IR suffers from a seemingly defeating objection, the so-called cardinality problem: any instance of the statement ‘There are n things’ is true under all interpretations, since it can be written down using only logical expressions that are not to be reinterpreted; yet ‘There are n things’ is not logically true. I argue that the cardinality (...) problem is indeed a serious problem for IR, when understood in terms of ‘asymmetry of information’. I then argue that IR can be rehabilitated by making quantifiers context-sensitive: what we do not reinterpret is the Kaplanian character of a quantifier, rather than its content. ‘There are n things’ is false in a context where fewer than n things are relevant, so it is not logically true in IR. I finally discuss some objections and ramifications of my account: I discuss how to make space for the possibility of an explicitly absolutely general quantifier in my framework, how terms can be logical even though context-sensitive, and how to recapture classical logic within my framework. (shrink)

In its literal meaning, the term ἔκστασις (ekstasis) indicates a displacement, ‘being out of immobility’, and ultimately being outside oneself. To some extent, this term takes on a mystical connotation in late Antiquity, notably in book VI.9.11.24 of Plotinus’ Enneads, where ekstasis is described as a non-ordinary way of seeing. The notion of ecstasy, often inseparable from the concept of vision, would keep its mystical role, though altered in some ways, over the centuries, conceptualizing a specific kind of knowledge, which (...) goes beyond the subject-object opposition, addressing the epistemological issues of perceiving and knowing the divine, and often challenging the nature of the self. This issue offers some attempts to track the constant reshaping and migration of the notions of ecstasy and intellectual or spiritual vision over the history of Western thought, unearthing their structural and constant persistence, from the Middle Ages to the contemporary ages, recurrently in many different non-ultimately-dialectical metaphysical systems. The papers in this volume provide some illustrative examples of the tangled history of the divergent meanings that the notions of ecstasy and vision have taken on, and their considerable reassessments and adaptations to constantly evolving conceptual frameworks, often redefining further notions such as those of rapture, prophecy, sleep, dream, and death. -/- . (shrink)

In the substitutional framework, validity is truth under all substitutions of the nonlogical vocabulary. I develop a theory where □ is interpreted as substitutional validity. I show how to prove soundness and completeness for common modal calculi using this definition.

Obligations can be affected by knowledge. Several approaches exist to formalize knowledge-based obligations, but no formalism has been developed yet to capture the dynamic interaction between knowledge and obligations. We introduce the dynamic extension of an existing logic for knowledge-based obligations here. We motivate the logic by analyzing several scenarios and by showing how it can capture in an original manner several fundamental deontic notions such as absolute, prima facie and all-things-considered obligations. Finally, in the dynamic epistemic logic tradition, we (...) provide reduction axioms for the dynamic operator of the new logic. (shrink)

This paper focuses on two short dubitationes on animal’s technical abilities, which Pietro Pomponazzi discussed in 1514 and in 1519 while teaching at the University of Bologna and commenting on Aristotle’s Physica, II, t. 80. A comparative analysis between the respective positions, expressed at a distance of five years, allows to retrace the change in Pomponazzi’s thoughts from the period immediately preceding the composition of De immortalitate animae to the writing of the De incantationibus and De fato.

Il tema dell'articolo è il massiccio incremento di elettori del Partito Liberale Austriaco FPÖ, comunemente classificato come partito populista di destra. La prospettiva scelta per analizzare tale successo elettorale consiste nell'esaminare la comunicazione pubblica della FPÖ. La tesi presentata è che la strategia discorsiva della FPÖ comprende da un lato la contrapposizione insanabile di un indistinto "noi" ad un altrettanto indistinto "loro" e dall’altro il livellamento del "loro" fino a costruire delle reti di colpevole complicità tra tutti i soggetti che (...) non siano il "noi" rappresentato nella volontà del capo. (shrink)