University of Connecticut

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Logic Colloquium
Minimal Change Theories Of Conditionals, The Import-Export Law, And Modus Ponens
Alessandro Zucchi (University Of Milan)

Friday, May 7, 2021
10:00am – 11:30am

Storrs Campus

Join us for the Logic Colloquium!

Alessandro Zucchi (University of Milan, La Statale)

"Minimal change theories of conditionals, the import-export law, and modus ponens"

Stalnaker's minimal change semantics for conditionals fails to support the import-export law, according to which (a) and (b) are logically equivalent: (a) if A, then if B, then C (b) if A and B, then C However, natural language conditionals seem to abide by the law. McGee (1985) outlines a minimal change semantics for conditionals that supports it. I argue that, in fact, the equivalence between (a) and (b) does not hold unrestrictedly, and I suggest that the facts follow from the interaction between the semantics of conditionals and the ways suppositions may affect the context. I conclude by describing the consequences of my account for the issue of the validity of modus ponens.



Damir Dzhafarov,

UConn Logic Group Colloquium (primary), College of Liberal Arts and Sciences, Connecticut Institute for the Brain and Cognitive Sciences, Linguistics Department, Philosophy Department, UConn Master Calendar

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