2250 Lecture Notes - Truth Function, Logical Biconditional, Sentence Clause Structure
Document Summary
Challenges of translation: distinguishing logical from non-logical sentences. Not all english sentences have truth values; some have more than one e. g. , questions, commands, the liar sentence: distinguishing truth-functional from non-truth functional connectives. I left because it was raining, (if it is true that you left and true that it was raining, it can still be either true or false that you left because it was raining) Laura believes that if you eat before class you will not be able to concentrate (whether or not laura believes this is not determined by whether or not it is true) And names for connectives that are not even words, but just parts of words e. g. , non-, un-, non-, . Where it is, it may use words rather than punctuation marks to stand for punctuation marks. e. g. , some connectives are paired with words that designate the position of a punctuation mark.