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Mathematik-Online problems:

Problem 33: Formalization of Statements

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Express the following statements about a map $ f: \mathbb{R}\longrightarrow\mathbb{R}$ in the formal way:

a) $ f$ is not surjective  b) $ f$ is not injective
c) $ f$ is not bijective  d) $ f$ is neither surjective nor injective
(Authors: Apprich/Höfert)

see also:

[Solutions]
  automatisch erstellt am 19.  4. 2006