Category
Possibility & necessity
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Are possible worlds real, or just a bookkeeping device?
David Lewis, in On the Plurality of Worlds (1986), argued that other possible worlds are just as real as ours. "Actual" is indexical, like "here". Our world is actual only in the…
Started by Tomasz Wójcik1 reply0 views -
Łukasiewicz, the sea battle, and why three-valued logic was born in Lwów
In De Interpretatione 9 Aristotle considers the sentence "there will be a sea battle tomorrow". If it is already true today, isn't the battle already necessary? And if so, isn't deliberation pointless?…
Started by Tomasz Wójcik3 replies0 views