@ARTICLE {, title = {Cesty k důkazům matematických vět}, author = {Odvárko, Oldřich and Robová, Jarmila}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2018}, volume = {47}, number = {1}, pages = {1--7}, issn = {1335-4981}, abstract = {The article deals with justification and proving in secondary school mathematics. Different approaches to solving proof tasks are illustrated by several examples. The active approach of pupils is emphasized during solving these problems. }, }