When we combine his view of Nature under the first head that whatever is inferred in the natural sciences is ideas, with his view of knowledge under the second head that knowledge is experience, and experience, individual or universal, is of duality of subject and object in the unity of experience, it follows that all we could know from the data would be one experience of the race, one subject consisting of individual subjects, and in Nature single objects in the unity of this universal experience; and beyond we should be able to form conceptions dependent on the perceptions of individual experience in the unity of universal experience: that is all.
Under the Reign of Terror he was arrested and imprisoned for nearly a year, during which he studied Condillac and Locke, and abandoned the natural sciences for philosophy.
But with the decline of dogmatic belief and the spread of religious doubt - as the special sciences also grow more general, and the natural sciences become more speculative about matter and force, evolution and teleology - men begin to wonder again about the nature and origin of things, just as it was the decay of polytheism in Greek religion and his own discoveries in natural science which impelled Aristotle to metaphysical questions.
Had the Catholic reaction not fatally discouraged the pursuit of the natural sciences in Italy, had Leonardo even left behind him any one with zeal and knowledge enough to extract from the mass of his MSS.
The physical and natural sciences are concerned in geography only so far as they deal with the forms of the earth's surface, or as regards the distribution of phenomena.
They do not see that the role of the natural sciences in this matter is merely to serve as an instrument for the illumination of one side of it.
The natural sciences attracted attention very early through the labours of Jose Celestino Mutis, who was followed by a number of writers of local repute, such as Zea, Cabal, Caldas, Pombo, Cespedes, Camacho and Lozano.
Aihong other similar organizations are an Academy of Medical, Physical and Natural Sciences (1863); a national library, established in 1901, and having in 1908 about 40,000 volumes, including the finest collection in the world of materials for Cuban history; an anthropological society; various medical societies; and a Bar association.
By this curious process of combination the entire realm of the natural sciences was translated into the language of astrology with the single avowed purpose of seeing in all phenomena signs indicative of what the future had in store.
This university was founded in 1621 and the university of Buenos Aires in 1821, but although Bonpland and some other European scientists were members of the faculty of Buenos Aires in its early years, neither there nor at Cordoba was any marked attention given to the natural sciences until President Sarmiento (official term, 1868-1874) initiated scientific instruction at the university of Cordoba under the eminent German naturalist, Dr Hermann Burmeister (1807-1892), and founded the National Observatory at Cordoba and placed it under the direction of ' There are two distinct statistical offices compiling immigration returns and their totals do not agree, owing in part to the traffic between Buenos Aires and Montevideo.