We prove that basic arithmetic operations preserve continuity of functions.
@article{bwmeta1.element.doi-10_2478_v10037-010-0020-z,
author = {Artur Korni\l owicz},
title = {On the Continuity of Some Functions},
journal = {Formalized Mathematics},
volume = {18},
year = {2010},
pages = {175-183},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10037-010-0020-z}
}
Artur Korniłowicz. On the Continuity of Some Functions. Formalized Mathematics, Tome 18 (2010) pp. 175-183. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10037-010-0020-z/
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