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...Econ introduction to mathematical economics i professor ariell reshef university of virginia lecture notes based mostly on chiang and wainwright fundamental methods whydescribe the world with models rather than use verbal theory logic after all this was state until not too long ago say s math is a concise parsimonious language so we can describe lot using fewer words contains many tools theorems that help making general statements forces us explicitly assumptions preventing from failing acknowledge implicit multi dimensionality easily described mathhasbecomeacommonlanguageformosteconomists itfacilitatescommunicationbetween economists warning despite its usefulness if only for then are restricting communication among but more importantly our understanding make strong deliver insightful conclu sions remember ac ctheorem let c be set conclusions follow abe small perturbation there exists such athat delivers cthat disjoint thus insightfullness depends critically plausibility empirical vali...