An introduction to proof techniques (including quantifiers and induction), elementary set theory, abstract functions, infinite cardinalities, and properties of sets of real numbers; followed by an introduction to topics chosen from topology, analysis, dynamical systems, or set theory, among others. Emphasis throughout is on developing abilities in writing proofs.
Students entering 2012 and after: satisfies the Mathematical and Quantitative Thought distribution requirement.
Mathematics 150 or Mathematics 160 or permission of the instructor. Students may not receive credit for both Mathematics 230 and offerings of Mathematics 220 in Fall 2015 or later.