Want to be a little bit more like Sherlock Holmes? The Deduction Guide will provide you with an alternate way of perceiving your surroundings, and allow you begin to make deductions about people and objects. The majority of the book is devoted to ways to read the world, including examples in a wide variety of topics, such as body language, clothing and other belongings, in the spirit of Sherlock Holmes. Upon reading this book, you will be able to identify if someone is liberal or conservative based on their eyes, a person's values from their bedroom or living room, and what a person is feeling based on the position of their legs, among many other things.

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Deduction is an efficient and elegant presentation of classical first-order logic. It presents a truth tree system based on the work of Jeffrey, as well as a natural deduction system inspired by that of Kalish and Montague. Efficient and elegant presentation of classical first-order logic. Presents a truth tree system based on the work of Jeffrey, as well as a natural deduction system inspired by that of Kalish and Montague. Contains detailed, yet accessible chapters on extensions and revisions of classical logic: modal logic, many-valued logic, fuzzy logic, intuitionistic logic, counterfactuals, deontic logic, common sense reasoning, and quantified modal logic. Includes problem sets, designed to lead students gradually from easier to more difficult problems. Further information and select answers to problems available here: http://bonevac.info/deduction/About_the_Book.html

The first comprehensive account of the concept and practices of deduction covering philosophy, history, cognition and mathematical practice.

It's not elementary, but you will need Holmes's famed powers of deduction to solve these crafty puzzles. Here's how it goes: at the end of each condundrum, you'll find at least one condition - and sometimes more - that the solution must meet.