Concept tag
#syllogism
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What do the strange names Barbara, Celarent and Darii actually mean?
I'm working through an old logic textbook my uncle left at our house. There is a page with a Latin verse that starts "Barbara, Celarent, Darii, Ferioque..." and then a lot of other names like Cesare and Baroco. The book just says…
Started by Fajar Nugroho4 replies -
How can I tell an argument is valid when I don’t know what its words mean?
Forgive me if this is basic; I'm very new to formal philosophy. I met this pair of arguments in a logic primer: All whales are mammals. All mammals are warm-blooded. So all whales are warm-blooded. All zorps are blickets. All blickets are…
Started by Kavya Menon4 replies -
If syllogistic logic couldn’t handle relations, why did it last two thousand years?
Working inside predicate logic every day, I'm often reminded how much it can do that the syllogism can't. The textbook example (usually credited to De Morgan) is: all horses are animals, therefore every head of a horse is the head of an…
Started by Derek Hollis6 replies