In this article, we formalize continuous differentiability of realvalued functions on n-dimensional real normed linear spaces. Next, we give a definition of the Ck space according to [23].
@article{bwmeta1.element.doi-10_2478_forma-2013-0002, author = {Katuhiko Kanazashi and Hiroyuki Okazaki and Yasunari Shidama}, title = { The C k Space }, journal = {Formalized Mathematics}, volume = {21}, year = {2013}, pages = {25-31}, zbl = {1283.46016}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_forma-2013-0002} }
Katuhiko Kanazashi; Hiroyuki Okazaki; Yasunari Shidama. The C k Space . Formalized Mathematics, Tome 21 (2013) pp. 25-31. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_forma-2013-0002/
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