In conclusion: 1  Consider water from any source as contaminated with disease causing organisms. 2  By far the best way to treat water is by boiling it. 3  You only have to bring the water to a boil.  Donât waste fuel; there is no need to boil water for 10-minutes, 5-minutes, or even 1-minute.
Razor (philosophy) In philosophy, a razor is a principle or rule of thumb that allows one to eliminate (shave off) unlikely explanations for a phenomenon. Razors include: Occam's razor: When faced with competing hypotheses, select the one that makes the fewest assumptions. Do not multiply entities without necessity.
Etymologically, philosophy can be broken into the following roots and examples. Hazarding a beginning definition and some general characteristics of philosophy might be of help. Philosophy is the systematic inquiry into the principles and presuppositions of any endeavor. Some restaurants have printed on the back of the customer's bill their philosophy of restaurant management. Recently, philosophy of sport and medical ethics have generated much interest. In general, philosophy questions often are a series of why-questions, whereas science is often said to ask how-questions..