Fall or spring. 4 credits. Next offered 2014-2015. T. Sider.An introduction to some central philosophical questions about knowledge and reality. Questions to be addressed may include: What, if anything, do we know? What is it for a belief to be reasonable? What is it for one event to cause another event? What makes the person reading the beginning of this sentence the same as the person reading the end of this sentence? Readings are typically drawn from recent sources.