The article briefly evaluates the development of demography (demographic history) and historical demography in Slovakia up to the present time. It points out the most often resolved themes and the most important works and personalities from this area. It sketches also contemporary problems and perspectives., Pavol Tišliar., and Obsahuje bibliografii
Hmotnost je pojem, bez něhož se zatím neobejde žádná z fyzikálních disciplín. Jeho důsledné zavedení je však obtížné. Příspěvek se zabyvá problematikou pojmu hmotnost v klasické mechanice a ve speciální teorii relativity. Zvláštní pozornost je věnována pojetí hmotnosti jako relativistického invariantu v protikladu ke stále často užívanému pojmu relativistické hmotnosti., Mass is a key concept of all disciplines of physics. However, its correct introduction is difficult. The paper deals with the concept of mass in classical mechanics, as well as in special relativity theory. Particular attention is devoted to the understanding of mass as a relativistic invariant in contradiction with frequently used concept of the relativistic mass., Jiří Králík., and Obsahuje seznam literatury
En este artículo informativo sobre unos aspectos de la filosofia actual en lengua espaňola se da cuenta de très más relevantes manifestaciones filosóficas desarrolladas con motivo del centenario 1898-1998 en Espaňa y en America Latina, particularmente del I Congreso Iberoamericano de Filosofia; con vistas a la significación general y al impacio del discurso inaugurai pronunciado alli por Luis Villoro, se incluye su traducción integrai. - En el apéndice se critican y ponen de relieve numerosas insuficiencias y faltas del artículo de Pavel Štěpánek, „Espana como mediadora del conocimiento y de la difusión de la filosofia antigua“, publicado en Filosofický časopis (3/1999, p. 411-440). and The article is concerned with certain aspects of contemporary philosophy in the Spanish speaking community. It reports on three of the most important meetings of philosophers which took place on the occasion of the one-hundredth anniversary 1898-1998 in Spain and in Latin America. Attention is paid in particular to the first Ibero-American Philosophical Congress; in light of its significance, a full translation of Luis Villor’s inaugural address is here included. - The appendix adverts to numerous errors in Pavel Štěpánek’s article “The Role of Spain in Understanding and Spreading Classical Philosophy” and presents critical remarks about it.