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Archaic form of Phi. Phi (/ f aɪ /; [1] uppercase Φ, lowercase φ or ϕ; Ancient Greek: ϕεῖ pheî; Modern Greek: φι fi) is the twenty-first letter of the Greek alphabet.. In Archaic and Classical Greek (c. 9th to 4th century BC), it represented an aspirated voiceless bilabial plosive ([pʰ]), which was the origin of its usual romanization as ph .
the Christoffel symbols that describe components of a metric connection [16] the stack alphabet in the formal definition of a pushdown automaton, or the tape-alphabet in the formal definition of a Turing machine; the Feferman–Schütte ordinal Γ 0 [17] represents: the specific weight of substances; the lower incomplete gamma function
Euclid's Elements (c. 300 BC) provides several propositions and their proofs employing the golden ratio, [15] [c] and contains its first known definition which proceeds as follows: [16] A straight line is said to have been cut in extreme and mean ratio when, as the whole line is to the greater segment, so is the greater to the lesser. [17] [d]
The symbol at the top of the rock, National Museum of Antiquities and Islamic Art, Algiers. The Chi-Rho symbol ☧ , Catacombs of San Callisto , Rome . Monogramme of Christ (the Chi Rho) on a plaque of a sarcophagus , 4th-century AD, marble, Musei Vaticani, on display in a temporary exhibition at the Colosseum in Rome, Italy
The Phi Beta Kappa Society (ΦΒΚ) [a] is the oldest academic honor society in the United States. [ 2 ] [ 3 ] It was founded at the College of William & Mary in Virginia, in December 1776. [ 4 ] Phi Beta Kappa aims to promote and advocate excellence in the liberal arts and sciences, and to induct outstanding students of arts and sciences at ...
Tau-, Psi- and phi- type Greek terracotta figurines date back to 1450–1100 BC in Mycenaean Greece. They were typically small (about 10cm high), made of terracotta , and were found in tombs, shrines and settlement areas.
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The British poet and cultural critic Matthew Arnold adapted the German word Philister to English as the word philistine to denote anti-intellectualism.. In the fields of philosophy and of aesthetics, the term philistinism describes the attitudes, habits, and characteristics of a person who deprecates art, beauty, spirituality, and intellect. [1]