carpenter bee, (genus Xylocopa), any of a genus of about 400 species of bees that are found in most areas of the world. Like most bees, carpenter bees do not produce honey, and they do not sting unless provoked. Although bees in Xylocopa are often considered pests because of their tunneling in

carrion beetle, (family Silphidae), any of a group of beetles (insect order Coleoptera), most of which feed on the bodies of dead and decaying animals, thus playing a major role as decomposers. A few live in beehives as scavengers, and some eyeless ones live in caves and feed on bat droppings.

Lutheranism: Confessionalization and Orthodoxy: …Articles, and his Small and Large Catechisms—into the Book of Concord in 1580.

hazelnut: The large cobnut is a variety of the European filbert, and Lambert’s filbert is a variety of the giant filbert. Nuts produced by the Turkish hazelnut (C. colurna) are sold commercially as Constantinople nuts. The former common name for the genus was hazel; various species were…

colliding-beam storage ring: …particle accelerators such as the Large Electron-Positron (LEP) collider at the European Organization for Nuclear Research (CERN) in Geneva and the Tevatron at the Fermi National Accelerator Laboratory (Fermilab) in Batavia, Illinois.

frogmouth: The large frogmouth (Batrachostomus auritus), a 16-inch (40-cm) species of the Malay Peninsula and the islands of Sumatra and Borneo, lays a single egg on a pad of down covered with lichens and spiderwebs. The tawny frogmouth (Podargus strigoides), of the Australian mainland and Tasmania, is…

Large Hadron Collider (LHC), the world’s most powerful particle accelerator. The Large Hadron Collider (LHC) was constructed by the European Organization for Nuclear Research (CERN) in the same 27-km (17-mile) tunnel that housed its Large Electron-Positron Collider (LEP). The tunnel is circular and

large intestine, posterior section of the intestine, consisting typically of four regions: the cecum, colon, rectum, and anus. The term colon is sometimes used to refer to the entire large intestine. The large intestine is wider and shorter than the small intestine (approximately 1.5 metres, or 5

neuropteran: Annotated classification: Family Polystoechotidae (large lacewings) Adults medium to large; wing expanse 40–75 mm; antennae short. Larvae with short, sharp, incurved mandibles, maxillae stout, blunt; labial palpi, sensory appendages on labium (lower lip); leg 5-jointed; tarsal claws simple, slightly curved; knobbed structures (called empodia) between terminal elongated claws. Family…

large language model (LLM), a deep-learning algorithm that uses massive amounts of parameters and training data to understand and predict text. This generative artificial intelligence-based model can perform a variety of natural language processing tasks outside of simple text generation, including

majuscule, in calligraphy, capital, uppercase, or large letter in most alphabets, in contrast to the minuscule, lowercase, or small letter. All the letters in a majuscule script are contained between a single pair of (real or theoretical) horizontal lines. The Latin, or Roman, alphabet uses both

Magellanic Cloud: One of them, the Large Magellanic Cloud (LMC), is a luminous patch about 5° in diameter, and the other, the Small Magellanic Cloud (SMC), measures less than 2° across. The Magellanic Clouds are visible to the unaided eye in the Southern Hemisphere, but they cannot be observed from most…

large mouse-eared bat, species of brown bat

Georges Braque: Early life: …these reservations, Braque painted his Large Nude (1908), a somewhat less-radical take on Picasso’s use of distorted planes and shallow space. The two artists became close friends, and within a few months they were engaged in the unprecedented process of mutual influence from which Cubism emerged.

Large numbers are numbers above one million that are usually represented either with the use of an exponent such as 109 or by terms such as billion or thousand millions that frequently differ from system to system. The American system of numeration for denominations above one million was modeled on

measurement system: The Egyptians: …one-half a cubit, equaled a large span. Sixteen digits, or four palms, made one t’ser. Twenty-four digits, or six palms, were a small cubit.

Ed Ruscha: …meat) beneath the Spam logo; Large Trademark with Eight Spotlights (1962), a dramatic representation of the Twentieth Century-Fox logo, and Oof (1963), a straightforward rendering of the expression used to communicate discomfort, surprise, or dismay.

tree shrew: The large tree shrew (Tupaia tana) of Sumatra, Borneo, and adjacent islands is one of the larger species, with a body 19 to 22 cm (7.5 to 8.7 inches) long and a tail nearly as long. Among the smaller species is the pygmy tree shrew (T.…

twayblade: The flowers of the large twayblade (L. lilifolia), of eastern North America, have thin slender side petals and a broad lip. The fen orchid (L. loeselii) is a similar species found in northern Eurasia.

Yorkshire, breed of swine produced in the 18th century by crossing the large indigenous white pig of North England with the smaller, fatter, white Chinese pig. The well-fleshed Yorkshire is solid white with erect ears. Although originally a bacon breed, the Yorkshire rose to prominence in the

helleborine: …most common British species is large white helleborine (C. damasonium). It has many long thick roots. The petals are borne close together, giving the flower a closed appearance. Large white helleborine is self-pollinating and hence does not require the action of an insect as do most other helleborines.

muntjac: It was named the giant, or large-antlered, muntjac (M. vuquangensis) because it appears to be larger than other muntjacs, with an estimated weight of 40–50 kg (88–110 pounds). The second species, which has the distinction of being the smallest deer in the world, was discovered near the town of…

puffbird: …white-necked, or large-billed, puffbird (Notharchus macrorhynchos), 24 cm (9 inches) long, ranging from Mexico to Argentina.

lung cancer: Non-small-cell lung cancer: …of all lung cancers are large-cell carcinomas. There is some dispute as to whether these constitute a distinct type of cancer or are merely a group of unusual squamous cell carcinomas and adenocarcinomas. Large-cell carcinomas can begin in any part of the lung and tend to grow very quickly.

bellwort: …is the large-flowered bellwort (U. grandiflora). It bears ovate leaves and narrowly bell-shaped, lemon-yellow, six-parted flowers that are about 1.5 inches (4 cm) long. It is found from Quebec westward to Minnesota and southward to Georgia and Kansas. The somewhat smaller perfoliate bellwort (U. perfoliata), with more pointed leaves,…

self-heal: …especially common self-heal (Prunella vulgaris), large-flowered self-heal (P. grandiflora), and cutleaf self-heal (P. lacinata), were regarded in medieval times as cure-alls and are still used in herbal medicine. The dried leaves and flowers are commonly brewed for soothing sore throats. Other common names include heal-all and allheal.

waterleaf: The large-leaved waterleaf (H. macrophyllum) is similar to the Virginia waterleaf but is rough and hairy and about 60 cm tall. The broad-leaved waterleaf (H. canadense), also 60 cm tall, has maplelike leaves. Some species are used in wildflower gardens; they are valued for their attractive…

industry: Secondary industry: Large-scale industry generally requires heavy capital investment in plants and machinery, serves a large and diverse market including other manufacturing industries, has a complex industrial organization and frequently a skilled specialized labour force, and generates a large volume of output. Examples would include petroleum refining,…

computer: Integrated circuits: …to be referred to as large-scale integration chips, and computers using them are sometimes called fourth-generation computers. The invention of the microprocessor was the culmination of this trend.

technology of photography: Close-range and large-scale photography: Near photography to reveal fine texture and detail covers several ranges: (1) close-up photography at image scales between 0.1 and 1 (one-tenth to full natural size); (2) macrophotography between natural size and 10 to 20× magnification, using the camera lens on…

climate: Scale classes: Large-scale wind systems are distinguished by the predominance of horizontal motions over vertical motions and by the preeminent importance of the Coriolis force in influencing wind characteristics. Examples of large-scale wind systems include the trade winds and the westerlies.

dazhuan, in Chinese calligraphy, script evolved from the ancient scripts jiaguwen and guwen by the 12th century bc and developed during the Zhou dynasty (12th century–256/255 bc). It is the earliest form of script to be cultivated later into an important related art form, zhuanshu (“seal script”),

Virginia Plan, along with the New Jersey Plan, one of two major proposals for the framework of the United States government presented at the Constitutional Convention in Philadelphia in 1787. It was known as the Virginia Plan because it was presented to the convention by delegates of the state of

Faya, oasis town located in northern Chad, north-central Africa. It lies in the Sahara at the northern tip of the Bodélé geographic depression, 490 miles (790 km) northeast of the capital, N’Djamena. Originally called Faya, the town was renamed Largeau following the capture in 1913 of Borkou by the

black bass: Two of them, the largemouth and smallmouth basses (M. salmoides and M. dolomieu), have been introduced in other countries and are prized as hard-fighting game fishes.

black bass: Two of them, the largemouth and smallmouth basses (M. salmoides and M. dolomieu), have been introduced in other countries and are prized as hard-fighting game fishes.

Steve Largent is an American gridiron football player who is considered one of the greatest wide receivers of all time. He retired from the sport as the owner of all the major career National Football League (NFL) receiving records. Although he was a standout high-school football player and

Steve Largent is an American gridiron football player who is considered one of the greatest wide receivers of all time. He retired from the sport as the owner of all the major career National Football League (NFL) receiving records. Although he was a standout high-school football player and

Xavier Herbert: …and his collected short stories, Larger than Life (1963), were somewhat less well received by the critics and public alike. His sprawling saga Poor Fellow My Country (1975) expressed his pessimistic view of life but lacked the richness and vitality of Capricornia. His autobiography, Disturbing Element, was published in 1963.

Westminster Catechism: …either of two works, the Larger Westminster Catechism and the Shorter Westminster Catechism, used by English-speaking Presbyterians and by some Congregationalists and Baptists. Written by the Westminster Assembly, which met regularly from 1643 until 1649 during the English Civil War, the catechisms were presented to the English Parliament in 1647…

election: Party-list proportional representation: In the largest-average formula, the available seats are awarded one at a time to the party with the largest average number of votes as determined by dividing the number of votes won by the party by the number of seats the party has been awarded plus a…

Latin America, which generally includes Mexico, Central America, South America, and the Spanish- and Portuguese-speaking countries of the Caribbean, is one of the most urbanized regions in the world, with more than four-fifths of its population living in cities, according to World Bank data—well

About 50,000 earthquakes large enough to be noticed without the aid of instruments occur annually worldwide. Some 100 of these are large enough to cause substantial damage if centered near populated areas. Over the centuries, earthquakes have been responsible for millions of deaths and incalculable

election: Party-list proportional representation: In the largest-average formula, the available seats are awarded one at a time to the party with the largest average number of votes as determined by dividing the number of votes won by the party by the number of seats the party has been awarded plus a…

sawfish: …up rivers; one species, the largetooth sawfish (P. pristis) lives and breeds in the fresh waters of Lake Nicaragua. Sawfishes have a long flattened head and body and an elongated snout, much like that of the saw shark, that forms a long flat blade edged with strong teeth. The largest…

heteropteran: Annotated classification: Family Largidae Head triangular, without ocelli; forewings with claval commissure; female with 6th visible abdominal segment below cleft medially; phytophagous; habits not well known; of no economic importance; about 100 species; in all zoogeographic regions. Family Pyrrhocoridae (fire bugs, cotton stainers) Head triangular, without ocelli; forewings…

Nicolas de Largillière was a French historical and portrait painter who excelled in painting likenesses of the wealthy middle classes. Most artists of his time took as their standard of excellence the adherence to Classical models and an emphasis on drawing, while some broke away in favour of the

Largo, city, Pinellas county, west-central Florida, U.S., near Clearwater Harbor and just south of Clearwater. The Spanish explorers Pánfilo de Narváez (1528) and Hernando de Soto (1539) visited the region. The site, first settled about 1866, was named for nearby Lake Largo (“Big Lake,” drained in

Francisco Largo Caballero was a Spanish socialist leader, prominent during the Second Republic, of which he became prime minister soon after the outbreak of the civil war of 1936–39. Largo Caballero worked in Madrid as a plasterer before joining the Spanish Socialist Workers’ Party (Partido

charadriiform: Annotated classification: Suborder Lari Hypotarsus simple (grooved but without canals); coracoids in contact (except in Stercorariidae); supraorbital grooves large; basipterygoid processes absent (present but small in young); occipital foramina absent in adults; furcula with hypocleideum; adult downs on both pterylae and apteria; anterior toes usually fully webbed, hind…

lasso, a rope 60 to 100 feet (18 to 30 metres) in length with a slip noose at one end, used in the Spanish and Portuguese parts of the Americas and in the western United States and Canada for catching wild horses and cattle. It is now less employed in South America than in the vast grazing country

circus: Clowns: …renowned of modern clowns is David Larible, who descends from seven generations of Italian circus performers. During the late 20th century Larible became the first clown ever to headline the Ringling Bros. and Barnum & Bailey Circus, as well as its “sister” circus, Barnum’s Kaleidoscape. His pantomimed act featured strong…

Laridae, family of birds (of the order Charadriiformes) that comprises the gulls (subfamily Larinae) and the terns (subfamily Sterninae). See gull;

Ali Larijani was a senior official in Iran for several decades and the de facto leader of the country from supreme leader Ali Khamenei’s death on February 28, 2026, until his own death on March 17, 2026, both of which occurred from U.S.-Israeli strikes during the 2026 Iran War. He was uniquely

Ali Larijani was a senior official in Iran for several decades and the de facto leader of the country from supreme leader Ali Khamenei’s death on February 28, 2026, until his own death on March 17, 2026, both of which occurred from U.S.-Israeli strikes during the 2026 Iran War. He was uniquely

gull, any of more than 40 species of heavily built web-footed seabirds of the gull and tern family Laridae (order Charadriiformes). Several genera are usually recognized for certain specialized gulls, but many authorities place these in the broad genus Larus. Conspicuous and gregarious, gulls are

Lake Como, lake in Lombardy, northern Italy, 25 miles (40 km) north of Milan; it lies at an elevation of 653 feet (199 metres) in a depression surrounded by limestone and granite mountains that reach an elevation of about 2,000 feet (600 metres) in the south and more than 8,000 feet (2,400 metres)

Mikhail Fyodorovich Larionov was a Russian-born French painter and stage designer, a pioneer of pure abstraction in painting, most notably through his founding, with Natalya Goncharova, whom he later married, of the Rayonist movement (c. 1910). Larionov’s early work was influenced by Impressionism

Lárissa, town and dímos (municipality), Thessaly (Modern Greek: Thessalía) periféreia (region), central Greece. It is located on the Pineiós (also called Peneus) Potamós (river). Since the 9th century it has been the seat of a bishop. In antiquity Lárissa was the seat of the Aleuad clan, founded by

calligraphy: Revival of calligraphy (19th and 20th centuries): …of the Austrian royal archivist Rudolf von Larisch, who lectured on lettering and typography in Vienna, and the type designer Rudolf Koch in Offenbach, Ger. The Germanic approaches to calligraphy in the early 20th century were quite distinct from English revivalism, especially in the German writers’ inclination to seek inspiration…

ground squirrel: Tropical ground squirrels: The three-striped ground squirrel (L. insignis), also of the Sunda Islands, is reported to eat fruit, roots, and insects; plain long-nosed ground squirrels (genus Dremomys) eat fruit, insects, and earthworms. The two species of Sulawesi ground squirrel (genus Hyosciurus) have elongated snouts and use their long,…

Neptune: Moons: …of its discoveries, Proteus and Larissa, closely enough to detect both their size and approximate shape. Both bodies are irregular in shape and appear to have heavily cratered surfaces. The sizes of the other four are estimated from a combination of distant images and their brightnesses, based on the assumption…

Lárissa, town and dímos (municipality), Thessaly (Modern Greek: Thessalía) periféreia (region), central Greece. It is located on the Pineiós (also called Peneus) Potamós (river). Since the 9th century it has been the seat of a bishop. In antiquity Lárissa was the seat of the Aleuad clan, founded by

Lárissa, town and dímos (municipality), Thessaly (Modern Greek: Thessalía) periféreia (region), central Greece. It is located on the Pineiós (also called Peneus) Potamós (river). Since the 9th century it has been the seat of a bishop. In antiquity Lárissa was the seat of the Aleuad clan, founded by

Laristan, extensive region in southeastern Fārs ostān (province), Iran. Situated between the Persian Gulf coast and the main water divide, it is characterized by ridges, dissected uplands, and depressions. The area, sparsely settled, contains nomadic Khamseh peoples of Turkish, Arab, and Iranian

Lake Como, lake in Lombardy, northern Italy, 25 miles (40 km) north of Milan; it lies at an elevation of 653 feet (199 metres) in a depression surrounded by limestone and granite mountains that reach an elevation of about 2,000 feet (600 metres) in the south and more than 8,000 feet (2,400 metres)

Pierre de Larivey was the chief French comic dramatist of the 16th century, whose free translations of Italian comedy provided material for Molière and others. Larivey’s surname was gallicized from his original Italian family name, Giunti (The Arrived), to a variation of the translation of it,

larch, (genus Larix), any of about 10 to 12 species of coniferous trees constituting the genus Larix of the family Pinaceae, native to cool temperate and subarctic parts of the Northern Hemisphere. One species, Larix griffithii, is found only in the Himalayas. A larch has the pyramidal growth habit

larch: The European larch (L. decidua), native to mountainous areas of northern and central Europe and Siberia, usually is 24 to 42 metres (about 80 to 140 feet) tall. It has reddish gray bark and produces a clear oleoresin known as Venetian turpentine.

larch: leptolepis) and L. decidua ‘Pendula,’ a cultivar of the European larch. Larch wood is coarse-grained, strong, hard, and heavy; it is used in ship construction and for telephone poles, mine timbers, and railroad ties.

larch: The European larch (L. decidua), native to mountainous areas of northern and central Europe and Siberia, usually is 24 to 42 metres (about 80 to 140 feet) tall. It has reddish gray bark and produces a clear oleoresin known as Venetian turpentine.

taiga: Trees: …trees in the world are Gmelin larch (Larix gmelinii) found at latitude 72°40′ N on the Taymyr Peninsula in the central Arctic region of Russia.

larch: One species, Larix griffithii, is found only in the Himalayas. A larch has the pyramidal growth habit typical of conifers, but the leaves are shed in autumn like those of deciduous trees. The short needlelike leaves are arranged spirally on new growth and in whorls at the…

larch: …North American larch is called tamarack, hackmatack, or eastern larch (L. laricina). The bracts on its small cones are hidden by the scales. Eastern larch trees mature in 100 to 200 years. This species may grow 12 to 20 metres (about 40 to 65 feet) tall and have gray to…

larch: …grown as ornamentals, especially the Japanese larch (L. leptolepis) and L. decidua ‘Pendula,’ a cultivar of the European larch. Larch wood is coarse-grained, strong, hard, and heavy; it is used in ship construction and for telephone poles, mine timbers, and railroad ties.

larch: A taller species, the western larch (L. occidentalis) of the Pacific Northwest, has bracts that protrude beyond the cone scales.

lark, family name Alaudidae, any of approximately 90 species of a songbird family (order Passeriformes). Larks occur throughout the continental Old World; only the horned, or shore, lark (Eremophila alpestris) is native to the New World. The bill is quite variable: it may be small and narrowly

The Lark Ascending, tone poem by English composer Ralph Vaughan Williams, first performed in London on June 14, 1921. The piece was scored for solo violin and piano in 1914 and revised by the composer for solo violin and orchestra in 1920. Vaughan Williams composed The Lark Ascending in 1914, in

Taviani brothers: …La Masseria delle allodole (2007; The Lark Farm), and Maraviglioso Boccaccio (2015; Wondrous Boccaccio). Cesare deve morire (2012; Caesar Must Die), about prison inmates staging a production of Shakespeare’s play Julius Caesar, won the top prize at the Berlin International Film Festival. The brothers’ last collaboration was Una questione privata

Kokoda Track Campaign: The Japanese advance and the fall of Rabaul: …was the recently installed 1,400-man “Lark Force” garrison at Rabaul, on the island of New Britain.

seedsnipe, any of four species of South American birds comprising the family Thinocoridae (order Charadriiformes). The seedsnipe, related to such shorebirds as the gulls and terns, is adapted to a diet of seeds and greens. Seedsnipes are streaked birds with short, rounded tail and long wings. They

button quail: …the button-quail family is the lark quail (Ortyxelos meiffrenii), of arid African plains. It looks more like a lark than a quail; having longer wings than other button quails, it is a stronger flier. It is about 13 cm (5 in.) long.

Jean Anouilh: L’Alouette (1953; The Lark) is the spiritual adventure of Joan of Arc, who, like Antigone and Thérèse Tarde (La Sauvage), is another of Anouilh’s rebels who rejects the world, its order, and its trite happiness. In another historical play, Becket ou l’honneur de Dieu (1959; Becket, or,…

Ho, tribal people of the state of Bihār in India, concentrated in the area of Kolhān on the lower Chota Nāgpur Plateau. They numbered about 1,150,000 in the late 20th century, mostly in Bihār and Orissa states of northeastern India. They speak a language of the Munda family and appear to have moved

Larkana: Larkana district, formed in 1901, occupies a fertile plain known as the “Garden of Sindh,” except for its mountainous western portion (Kirthar Range). Irrigated by canals, the plain yields sugarcane, wheat, rice, gram, rape, and fruit such as guavas, mangoes, and dates. Camel breeding is…

Larkana, town and district, Sukkur division, Sindh province, Pakistan. The town, the district headquarters, lies on the Ghar Canal just west of the Indus River; it derives its name from the neighbouring Larak tribe. A railway junction, it is divided into two parts by the rail lines: the old city to

Frank Lloyd Wright: The early Chicago years: The administrative block for the Larkin Company, a mail-order firm in Buffalo, New York, was erected in 1904 (demolished in 1950). Abutting the railways, it was sealed and fireproof, with filtered, conditioned, mechanical ventilation; metal desks, chairs, and files; ample sound-absorbent surfaces; and excellently balanced light, both natural and artificial.…

Cincinnati Reds: Fifth championship followed by playoff droughts: …manager Lou Piniella, All-Star shortstop Barry Larkin, and a motley crew of relief pitchers known as the “Nasty Boys,” the Reds swept Oakland to win the franchise’s fifth World Series.

Labour Party: History: …union leaders James Connolly and James Larkin and formally established as an independent party in March 1930, when it was renamed the Labour Party. In 1922 it won more than 20 percent of the vote in elections to the Dáil (lower house of the Oireachtas, the Irish parliament) in the…

Joan Jett is an American singer and musician whose raucous, three-chord guitar-playing and rebellious image made her a trailblazer in the male-dominated genre of rock music. She was a member of the all-female, teenage punk-rock band the Runaways in the 1970s before becoming a successful solo artist

Joan Jett is an American singer and musician whose raucous, three-chord guitar-playing and rebellious image made her a trailblazer in the male-dominated genre of rock music. She was a member of the all-female, teenage punk-rock band the Runaways in the 1970s before becoming a successful solo artist

Philip Larkin was the most representative and highly regarded of the poets who gave expression to a clipped, antiromantic sensibility prevalent in English verse in the 1950s. Larkin was educated at the University of Oxford on a scholarship, an experience that provided material for his first novel,

Philip Larkin was the most representative and highly regarded of the poets who gave expression to a clipped, antiromantic sensibility prevalent in English verse in the 1950s. Larkin was educated at the University of Oxford on a scholarship, an experience that provided material for his first novel,

King Crimson: Formation and early success: … (1970), Lizard (1970), Islands (1971), Larks’ Tongues in Aspic (1973), Starless and Bible Black (1974), and Red (1974).

larkspur, (genus Delphinium), genus of about 365 species of herbaceous plants of the buttercup family (Ranunculaceae), many of which are grown for the floral industry and as ornamentals for their showy flower stalks. The plants are found throughout the Northern Hemisphere and in certain montane

magnetic resonance: …vector) to undergo the so-called Larmor precession, that is, to describe a cone about the direction of the magnetic field. According to classical electrodynamics, the frequency (ωL) of the Larmor precession (the number of rotations per second of the vector μ about the vector H) should be independent of the…

Sir Joseph Larmor was an Irish physicist, the first to calculate the rate at which energy is radiated by an accelerated electron, and the first to explain the splitting of spectrum lines by a magnetic field. His theories were based on the belief that matter consists entirely of electric particles

Larnaca, port town, southeastern Republic of Cyprus. The modern town, on the bay between Capes Kiti and Pyla, overlays much of ancient Citium, founded by the Mycenaeans in the 13th century bce; it was rebuilt by the Byzantines. Citium was the birthplace of the Greek philosopher Zeno of Citium, the

Larnaca, port town, southeastern Republic of Cyprus. The modern town, on the bay between Capes Kiti and Pyla, overlays much of ancient Citium, founded by the Mycenaeans in the 13th century bce; it was rebuilt by the Byzantines. Citium was the birthplace of the Greek philosopher Zeno of Citium, the

Larnaca, port town, southeastern Republic of Cyprus. The modern town, on the bay between Capes Kiti and Pyla, overlays much of ancient Citium, founded by the Mycenaeans in the 13th century bce; it was rebuilt by the Byzantines. Citium was the birthplace of the Greek philosopher Zeno of Citium, the