• davidderi
• possible worlds
• exploited by saul kriepke
• nearness relations of 2 possible worlds
• describing a view of Hilary Putnam
• kripke developed a theory of meaning which is part of the modal argument
• is a perfect life but its not real a life worth choosing
• water refers to that thing that we identify as water
• there are events
• causal theory of meaning
• if you refer to someone other people can refer to them through you
• the meaning is fixed by a rigid designation
• the meaning of the word water is just that stuff
• twin earth argument
• there is earth and twin earth
• twin earth almost exactly like earth
• everything is exactly the same except water is H20 on earth and twin earth water is something else
• twin allen utters the sounds "this water is good"
• earth allen utters the sound "this water is good"
• on earth water refers to h20
• on twin earth it refers to schwater
• what's the difference?
• strong AI
• there is no reason not to think that the thermometer thinks its 80 degree
• if you think this you have a different view of the way the world is structured
• the word to water is something different when twin Allen utters it then what it means when uttered by Allen
• "we might be brains in a vat"
• the word water gets its meaning from the true and false sentences of English etc.
• consider whether that sentence can be true
• objects, images and me
• quiz - mostly multiple choice need a scantron with places for writing will send a study guide, it might be open book, we will be covering the antological argument, humes argument the leibnetz passage, Putnam is legitimate game