Biblioteca Medicea Laurenziana in the context of "Byzantine literature"

De agri cultura ([deː ˈaɡriː kʊlˈtuːraː]), also known as On Farming or On Agriculture, is a treatise on Roman agriculture by Cato the Elder. It is the oldest surviving work of Latin prose. Cato was revered by many later authors for his practical attitudes, his natural stoicism and his tight, lucid prose. He is much quoted by Pliny the Elder, for example, in his Naturalis Historia.
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The Prior Analytics (Ancient Greek: Ἀναλυτικὰ Πρότερα; Latin: Analytica Priora) is a work by Aristotle on reasoning, known as syllogistic, composed around 350 BCE. Being one of the six extant Aristotelian writings on logic and scientific method, it is part of what later Peripatetics called the Organon.

The term analytics comes from the Greek words analytos (ἀναλυτός, 'solvable') and analyo (ἀναλύω, 'to solve', literally 'to loose'). However, in Aristotle's corpus, there are distinguishable differences in the meaning of ἀναλύω and its cognates. There is also the possibility that Aristotle may have borrowed his use of the word "analysis" from his teacher Plato. On the other hand, the meaning that best fits the Analytics is one derived from the study of Geometry and this meaning is very close to what Aristotle calls episteme (επιστήμη), knowing the reasoned facts. Therefore, Analysis is the process of finding the reasoned facts.

The Decretals of Gregory IX (Latin: Decretales Gregorii IX), also collectively called the Liber extra, are a source of medieval Catholic canon law. In 1230, Pope Gregory IX ordered his chaplain and confessor, Raymond of Penyafort, a Dominican, to form a new canonical collection destined to replace the Decretum Gratiani, which was the chief collection of legal writings for the church for over 90 years. It has been said that the pope used these letters to emphasize his power over the Universal Church.

The Squarcialupi Codex (Florence, Biblioteca Medicea Laurenziana, MS Mediceo Palatino 87) is an illuminated manuscript compiled in Florence in the early fifteenth century. It is named for the noted fifteenth-century organist Antonio Squarcialupi, who owned it.

It is the single largest primary source of secular polyphonic music of the Trecento – the Italian ars nova – and contains the largest surviving collection of the compositions of Francesco Landini. The illuminated portraits of the musicians are attributed to Lorenzo Monaco and his circle. It is not known by whom, for what purpose, nor under whose patronage the compilation was made.

Publius (or Flavius) Vegetius Renatus, known as Vegetius (Latin: [u̯ɛˈɡɛtiʊs]), was a writer of the Later Roman Empire (late 4th century). Nothing is known of his life or station beyond what is contained in his two surviving works: Epitoma rei militaris (also referred to as De re militari), and the lesser-known Digesta Artis Mulomedicinae, a guide to veterinary medicine. He identifies himself in the opening of his work Epitoma rei militaris as a Christian.

History of Animals (Ancient Greek: Τῶν περὶ τὰ ζῷα ἱστοριῶν, Ton peri ta zoia historion, "Inquiries on Animals"; Latin: Historia Animalium, "History of Animals") is one of the major texts on biology by the ancient Greek philosopher Aristotle. It was written in sometime between the mid-fourth century BC and Aristotle's death in 322 BC.

Generally seen as a pioneering work of zoology, Aristotle frames his text by explaining that he is investigating the what (the existing facts about animals) prior to establishing the why (the causes of these characteristics). The book is thus an attempt to apply philosophy to part of the natural world. Throughout the work, Aristotle seeks to identify differences, both between individuals and between groups. A group is established when it is seen that all members have the same set of distinguishing features; for example, that all birds have feathers, wings, and beaks. This relationship between the birds and their features is recognized as a universal.