McGRAW-HILL EDITION LIST OF SYMBOLS TOPIC LOGIC SYMBOL ""’p p 1\ q P vq P (J) q p-+q p ++ q p=.q MEANING PAGE T F P(xJ‚ ... ‚ x n) VxP(x) 3xP(x) 3!xP(x) p{S}q SETS negation of p conjunction of p and q disjunction of p and q exclusive or of p and q the implication p implies q biconditional of p and q equivalence of p and q tautology contradiction propositional function universal quantification of P(x) existential quantification of P(x) uniqueness quantification of P(x) therefore
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fendpaper.qxd 11/4/10 12:05 PM Page 2 Systems of Units. Some Important Conversion Factors The most important systems of units are shown in the table below. The mks system is also known as the International System of Units (abbreviated SI )‚ and the abbreviations sec (instead of s)‚ gm (instead of g)‚ and nt (instead of N) are also used. System of units Length Mass Time Force cgs system centimeter (cm) gram (g) second (s) dyne mks system meter (m) kilogram (kg) second (s) newton
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