Concept tag
#future-contingents
-
When a family says ‘it was always going to happen’, what are they claiming?
"It was always going to happen." I hear the sentence most weeks at work. Sometimes from a daughter, sometimes from a doctor, sometimes from me. I've started to think it means very different things in different mouths: Medical inevitability. Given the disease…
Started by Elin Hedqvist5 replies -
The sea battle argument is a scope mistake, and Aristotle half saw it
Chapter 9 of De Interpretatione makes a fatalist of somebody in my class every year. So here is the case I make to them, and I would like it attacked by people who know more logic than my students. The argument: if…
Started by Giulia Ferrante4 replies -
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? Around 1920 Jan Łukasiewicz, working in the Lwów–Warsaw school founded…
Started by Tomasz Szewczak3 replies