Here you will find a digitized image of Hejdánek's original filing cabinet. Its total volume is many thousand tickets. We publish them in parts as we handle them. At the moment we have worked out what prof. Hejdánek himself developed electronically. However, much work remains on paper cards. In addition to Hejdánek's extracts from reading, the filing cabinet also includes his own thought work from recent years, which cannot be found elsewhere.

Slova - význam

Alfred North Whitehead (19)
… Of course a discussion as to the mere application of a word easily degenerates into the most fruitless logomachy. It is open to any one to use any word in any sense. But …
(Mathematics, in: 2879, Essays in Science and Philosophy, New York 1948, p. 200; orig. in: Encyclopaedia Britannica, 11th issue.)
date of origin: červenec 2005