'You shouldn't drink too much. The Earth is round. Milk is good for your bones.' Are any of these claims true? How can you tell? Can you ever be certain you are

This book eases students into the rigors of university mathematics. The emphasis is on understanding and constructing proofs and writing clear mathematics. The

Practical reasoning and clear thinking are essential for everyone if we are to make sense of the information we receive each day. Being able to quickly know the