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Unformatted text preview: Mathematical Symbols Good Problems: April 16, 2004 You will encounter many mathematical symbols during your math courses. The table below provides you with a list of the more common symbols, how to read them, and notes on their meaning and usage. The following page has a series of examples of these symbols in use. Symbol How to read it Notes on meaning and usage a = b a equals b a and b have exactly the same value. a b or a = b a is approximately equal to b Do not write = when you mean . P Q P implies Q If P is true, then Q is also true. P Q P is implied by Q If Q is true, then P is also true. P Q or P iff Q P is equivalent to Q or P if and only if Q P and Q imply each other. ( a,b ) the point a b A coordinate in R 2 . ( a,b ) the open interval from a to b The values between a and b , but not including the endpoints. [ a,b ] the closed interval from a to b The values between a and b , including the endpoints....
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