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"Epistemology is the study of the nature, source, limits, and validity of knowledge.  It is especially interested in developing criteria for evaluating claims people make that they "know" something.  In particular, it considers questions such as: What is knowledge?  What is the difference between knowledge and opinion or belief?  If you know something, does that mean that you are certain about it?  Is knowledge really possible?"

Some philosophers before Locke had suggested that it would be good to find the limits of the Understanding, but what Locke does is to carry out this project in detail. In the four books of the Essay Locke considers the sources and nature of human knowledge. Book I argues that we have no innate knowledge. (In this he resembles Berkeley and Hume, and differs from Descartes and Leibniz.) So, at birth, the human mind is a sort of blank slate on which experience writes. In Book II Locke claims that ideas are the materials of knowledge and all ideas come from experience. The term 'idea,' Locke tells us "…stands for whatsoever is the Object of the Understanding, when a man thinks" (Essay I, 1, 8, p. 47). Experience is of two kinds, sensation and reflection. One of these - sensation - tells us about things and processes in the external world. The other - reflection - tells us about the operations of our own minds. Reflection is a sort of internal sense that makes us conscious of the mental processes we are engaged in. Some ideas we get only from sensation, some only from reflection and some from both.

"Our society is divided into castes based upon a supposed division between theoretical knowledge and practical skill. The college professor holds forth on television, as the plumber fumes about detached ivory tower intellectuals. The felt distinction between the college professor and the plumber is reflected in how we think about our own minds. Humans are thinkers, and humans are doers."

Since 1955, The Journal of Irreproducible Results has offered "spoofs, parodies, whimsies, burlesques, lampoons and satires" about life in the laboratory. Among its greatest hits: "Acoustic Oscillations in Jell-O, With and Without Fruit, Subjected to Varying Levels of Stress" and "Utilizing Infinite Loops to Compute an Approximate Value of Infinity." The good-natured jibes are a backhanded celebration of science. What really goes on in the lab is, by implication, of a loftier, more serious nature.

This is the article for the Typhoon Day lesson

"A logical fallacy is a flaw in reasoning. Logical fallacies are like tricks or illusions of thought, and they're often very sneakily used by politicians and the media to fool people. Don't be fooled! This website has been designed to help you identify and call out dodgy logic wherever it may raise its ugly, incoherent head."