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The name Antiphon the Sophist (/ ˈ æ n t ə ˌ f ɒ n,-ən /; Ancient Greek: Ἀντιφῶν) is used to refer to the writer of several Sophistic treatises. He probably lived in Athens in the last two decades of the 5th century BC, but almost nothing is known of his life.
Bryson, along with his contemporary, Antiphon, was the first to inscribe a polygon inside a circle, find the polygon's area, double the number of sides of the polygon, and repeat the process, resulting in a lower bound approximation of the area of a circle. "Sooner or later (they figured), ...[there would be] so many sides that the polygon ...
The associated psalm tones are indicated by number and ending pitch, and the pitches for the ending of the doxology are indicated by the mnemonic Euouae. An antiphon ( Greek ἀντίφωνον, ἀντί "opposite" and φωνή "voice") is a short chant in Christian ritual , sung as a refrain .
For other isotopes, the isotopic mass is usually within 0.1 u of the mass number. For example, 35 Cl (17 protons and 18 neutrons) has a mass number of 35 and an isotopic mass of 34.96885. [7] The difference of the actual isotopic mass minus the mass number of an atom is known as the mass excess, [8] which for 35 Cl is –0.03115.
Antiphon was a statesman who took up rhetoric as a profession. He was active in political affairs in Athens, and, as a zealous supporter of the oligarchical party, was largely responsible for the establishment of the Four Hundred in 411 (see Theramenes); upon restoration of the democracy shortly afterwards, he was accused of treason and condemned to death. [1]
the golden ratio 1.618... in mathematics, art, and architecture [63] Euler's totient function in number theory [64] the argument of a complex number in mathematics; the value of a plane angle in physics and mathematics; the angle to the z axis in spherical coordinates (mathematics) epoch or phase difference between two waves or vectors
is the fraction of the total number of electrons associated with each element, and Z n {\displaystyle Z_{n}} is the atomic number of each element. An example is that of water (H 2 O), made up of two hydrogen atoms (Z=1) and one oxygen atom (Z=8), the total number of electrons is 1+1+8 = 10, so the fraction of electrons for the two hydrogens is ...
Printed antiphonary (ca. 1700) open to Vespers of Easter Sunday. (Musée de l'Assistance Publique – Hôpitaux de Paris)An antiphonary or antiphonal is one of the liturgical books intended for use in choro (i.e. in the liturgical choir), and originally characterized, as its name implies, by the assignment to it principally of the antiphons used in various parts of the Latin liturgical rites.