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From the time of Plato through the Middle Ages, the quadrivium (plural: quadrivia [2]) was a grouping of four subjects or arts—arithmetic, geometry, music, and astronomy—that formed a second curricular stage following preparatory work in the trivium, consisting of grammar, logic, and rhetoric.
Since the chart combines secular history with biblical genealogy, it worked back from the time of Christ to peg their start at 4,004 B.C. Above the image of Adam and Eve are the words, "In the beginning God created the Heaven and the Earth" (Genesis 1:1) — beside which the author acknowledges that — "Moses assigns no date to this Creation.
The first version includes a list of seven signs announcing the end of the world. The longer version, however, has an appended section which brings the list of signs up to fifteen. This version was taken up and reshaped by the Irish, after which it became a source for many European visions of the "end of days". [4]
This Age came to an end with the flood of Deucalion. [citation needed] Heroic Age – The Heroic Age is the one age that does not correspond with any metal. It is also the only age that improves upon the age it follows. It was the heroes of this Age who fought at Thebes and Troy. This race of humans died and went to Elysium.
Origin of the prostate gland and a pair of holes opening to the columella and nearby shrinking jaw bones; new eardrums stand in front of the columella and Eustachian tube. The skin becomes hairy, glandular (glands secreting sebum and sweat ) and thermoregulatory.
The Roman day starting at dawn survives today in the Spanish word siesta, literally the sixth hour of the day (sexta hora). [ 11 ] The daytime canonical hours of the Catholic Church take their names from the Roman clock: the prime , terce , sext and none occur during the first ( prīma ) = 6 am, third ( tertia ) = 9 am, sixth ( sexta ) = 12 pm ...
Etymologically, the Latin word trivium means "the place where three roads meet" (tri + via); hence, the subjects of the trivium are the foundation for the quadrivium, the upper (or "further") division of the medieval education in the liberal arts, which consists of arithmetic (numbers as abstract concepts), geometry (numbers in space), music (numbers in time), and astronomy (numbers in space ...
Gerardus Mercator (/ dʒ ɪ ˈ r ɑːr d ə s m ɜːr ˈ k eɪ t ər /; [a] [b] [c] 5 March 1512 – 2 December 1594) [d] was a Flemish geographer, cosmographer and cartographer.He is most renowned for creating the 1569 world map based on a new projection which represented sailing courses of constant bearing (rhumb lines) as straight lines—an innovation that is still employed in nautical charts.