PHL246H1 Lecture 2: PHL246 Class Notes (Wednesday, Jan.9th, 2019)
Document Summary
The first sentence is talking about the city itself the sentence is using the word. This sentence is talking the word toronto itself the sentence is mentioning the word. Thus the correct way of writing it is toronto" contains three o"s. Something that is spatially and temporarily extended. Something that you can bump into frequently. The thing that the sentence means or tries to express. It is not the case that toronto is not a city. There could be 3,2, or 1 sentence. The first and second sentence token express virtually the same thing. (toronto is a city) All three sentences mean the same thing. Sentence tokens are usually represented by propositional variables such as p, q, r. Sentences can be connected to other sentences by connectives: The syntax of propositions def: the syntax of propositional logic can be thought of as its grammar. It specifies which symbols can be put together in what order.
