Glossary

We are planning to prepare a Glossary for the course that contains a list of the key terms that are used in the course.

Which terms would you like us to explain here?

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Symbols

(exists) :There exists.

(in): Belongs to

(forall): For every

(mathbb N): The set of natural numbers (0,1,2,3,…)

(mathbb Q): The set of rational numbers.

(mathbb R): The set of real numbers.

(mathbb Z): The set of integer numbers (…,-3,-2,-1,0, 1,2,3,…)

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Integer: a number of the set (mathbb Z=lbrace …,-3,-2,-1,0,1,2,3,…rbrace)

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Natural number: a number of the set (mathbb N=lbrace 0,1,2,3,…rbrace)

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Rational number: a number of the set (mathbb Q=lbrace …frac ab:, ainmathbb Z, binmathbb Nrbrace)

Real number: an element of (mathbb R). The set (mathbb R) contains the limits of sequences of rational numbers and elements like square roots, (pi, e,…)

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Square root of (xge 0): the positive number (y) satisfying (y^2=x).

(m-)th square root of (xge 0): the positive number (y) satisfying (y^m=x).

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