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On the First Principles (Greek: Περὶ Ἀρχῶν / Peri Archon; Latin: De Principiis) is a theological treatise by the Christian writer Origen. It was the first systematic exposition of Christian theology. [1] It is thought to have been written around 220–230 AD. The full text has not been completely preserved. When Origen was around ...
Charles Lyell challenged catastrophism with the publication in 1830 of the first volume of his book Principles of Geology which presented a variety of geological evidence from England, France, Italy and Spain to prove Hutton's ideas of gradualism correct. [25] He argued that most geological change had been very gradual in human history.
[151] [150] Thus, according to Origen, Christ was both human and divine, [151] [150] but like all human souls, Christ's human nature was existent from the beginning. [152] [150] Origen was the first to propose the ransom theory of atonement in its fully developed form, [153] although Irenaeus had previously proposed a prototypical form of it. [153]
Alpha keratin first evolves here; it is used in the claws of modern amniotes, and hair in mammals, indicating claws and a different type of scales evolved in amniotes (complete loss of gills as well). [20] Evolution of the amniotic egg allows the amniotes to reproduce on land and lay shelled eggs on dry land. They did not need to return to ...
The first debates about the nature of human evolution arose between Thomas Henry Huxley and Richard Owen. Huxley argued for human evolution from apes by illustrating many of the similarities and differences between humans and other apes, and did so particularly in his 1863 book Evidence as to Man's Place in Nature .
Original mapping by John Snow showing the clusters of cholera cases in the London epidemic of 1854, which is a classical case of using human geography. Human geography or anthropogeography is the branch of geography which studies spatial relationships between human communities, cultures, economies, and their interactions with the environment, examples of which include urban sprawl and urban ...
Meanwhile, in 397, Rufinus published a Latin translation of Origen's On First Principles. [1] [11] [2] [12] Rufinus was convinced that heretics had interpolated Origen's original treatise and that these interpolations were the source of the heterodox teachings found in it. [11]
This atlas was the first attempt to systematically codify nautical maps. This chart-book combined an atlas of nautical charts and sailing directions with instructions for navigation on the western and north-western coastal waters of Europe. It was the first of its kind in the history of maritime cartography. [115] [116] [117] [118]