PHIL 110 Lecture Notes - Lecture 3: Logical Biconditional, Material Conditional, Atomic Sentence

• School: Simon Fraser University
• Department: Philosophy
• Course: PHIL 110
• Professor: Jill Mc Intosh

Document Summary

Dr mc"s philosophy 110 (1171) part notes, week 2#2 . Learning logical notation and manipulation rules is like learning another language, but easier. Formal logic attempts to translate some of ordinary and to provide rules for reasoning with those claims. Specifically, it can be used to represent argument. You can get it from the notes later if you want) Not all instances of these words play the role of indicator. We can use sentential logical to represent some arguments. Atomic sentences have no parts that are themselves sentences. The cat is on the mat and dr mc is a baboon. If the cat is on the mat, then dr mc is a baboon. The truth value of a compound sentence is a function of the truth value of the atomic sentence that make it up. These do not always match up with intuitions about their english counterparts. Last time, we let capital letters stand for specific sentences;