Although any preservation of this knowledge in literary sources from the Middle Ages is unknown, medieval masons and some military engineers maintained an active tradition of using hydraulic cement in structures such as canals, fortresses, harbors, and shipbuilding facilities.

Although love is central to both Christianity and Judaism, literary critic Harold Bloom ( in his Jesus and Yahweh: The Names Divine ) argues that their notions of love are fundamentally different.

Although Malesherbes was a staunch absolutist-loyal to the monarchy, he was sympathetic to the literary project.

Although many of his works appeared in print while a teenager, it was the publication of " Light breaks where no sun shines ", published in 1934, that caught the attention of the literary world.

Although Bellamy claimed he did not write Looking Backward as a blueprint for political action, but rather sought to write " a literary fantasy, a fairy tale of social felicity ," the book inspired legions of inspired readers to establish so-called Nationalist Clubs, beginning in Boston late in 1888.

Although Morris ' political work is well to the fore, Thompson also used his literary talents to comment on aspects of Morris ' work, such as his early Romantic poetry, which had previously received relatively little consideration.

Although it received mixed reviews when it first came out, and was often condemned for its portrayal of amoral passion, the book subsequently became an English literary classic.

Although Greek has undergone morphological and phonological changes comparable to those seen in other languages, there has been no time in its history since classical antiquity where its cultural, literary, and orthographic tradition was interrupted to such an extent that one can easily speak of a new language emerging.

Although short lived the MLF was representative of London's Ladbroke Grove centered alternative and literary community of the period.

Although quicklime was certainly known and used by the Byzantines and the Arabs in warfare, the theory is refuted by literary and empirical evidence.

According to the principal editor of the journal, Leonard Lewisohn: " Although a number of major Islamic poets easily rival the likes of Dante, Shakespeare and Milton in importance and output, they still enjoy only a marginal literary fame in the West because the works of Arabic and Persian thinkers, writers and poets are considered as negligible, frivolous, tawdry sideshows beside the grand narrative of the Western Canon.

Although considered today as a less successful literary novel than some of his other historical works, it popularised Kenilworth Castle in the Victorian imagination as a romantic Elizabethan location.

Although early Cretan coins occasionally exhibit multicursal patterns, the unicursal seven-course " Classical " design became associated with the Labyrinth on coins as early as 430 BC, and became widely used to represent the Labyrinth – even though both logic and literary descriptions make it clear that the Minotaur was trapped in a complex branching maze.

Although the very subject matter caused it to be considered scandalous at the time, its brief revival three decades later, in the open and radicalized culture of the late 1960s, when the author was approaching his 70th birthday, found the once-ahead-of-its-time work judged as a tame and dated period piece below Achard's usual literary standard.

Although his writings would later receive widespread acclaim, Thoreau's ideas were not universally applauded by some of his contemporaries in literary circles.

Although Straparola's, Basile's and Perrault's collections contain the oldest known forms of various fairy tales, on the stylistic evidence, all the writers rewrote the tales for literary effect.

Although Debs was a real person his life and legacy has also inspired works in a literary way.

Although his primary occupation was as a family doctor, Williams had a successful literary career as a poet.

" Although there is no special reason to doubt the accuracy of this information, it should always be borne in mind that the sagas embody the literary preoccupations of writers and audiences in medieval Iceland, and they cannot always be treated as reliable sources for the history of Norse Greenland.

Although most literary references to Israelites are located in the Hebrew Bible, there is also abundant non-biblical archaeological and historical evidence of ancient Israel and Judah.

Although neglected in France for much of the 19th century, the music of Berlioz has often been cited as extremely influential in the development of the symphonic form, instrumentation, and the depiction in music of programmatic and literary ideas, features central to musical Romanticism.

Although Shakespeare based many of his characters on existing archetypes from fables and myths ( e. g., Romeo and Juliet on Arthur Brooke's Romeus and Juliet ), Shakespeare's characters stand out as original by their contrast against a complex social literary landscape.

Although he had been trying to write about his wartime experiences for some time, it was not until 1937 that Jones published his first literary effort.

Although there is no direct literary source for the Induction, the tale of a tinker being duped into thinking he is a lord is a universal one found in many literary traditions.

Although Utopian communism is both new in 1516 and also modern, it is not modern communism or even modern socialism, as they exist or have ever existed in theory or in practice.

Although originally controversial, the axiom of choice is now used without reservation by most mathematicians, and it is included in ZFC, the standard form of axiomatic set theory.

Although the Principate continued in theory until the reign of Diocletian, Severus Alexander's death signalled the beginning of the chaotic period known as the Crisis of the Third Century which brought the empire to near collapse.

Although Grothendieck himself never published his work in this area, the proposal became the inspiration for work by other mathematicians and the source of the theory of dessins d ' enfants.

Although observations of some aerodynamic effects such as wind resistance ( e. g. drag ) were recorded by Aristotle, Leonardo da Vinci and Galileo Galilei, very little effort was made to develop a rigorous quantitative theory of air flow prior to the 17th century.

Although Zermelo's fix allows a class to describe arbitrary ( possibly " large ") entities, these predicates of the meta-language may have no formal existence ( i. e., as a set ) within the theory.

Although now debated, this theory has been the scholarly consensus for many centuries.

Although the Ezra theory is disputed, no other authorship theories are dominant.

Although this theory has the Persians moving to the strategic offensive, this can be reconciled with the traditional account of the Athenians attacking the Persians by assuming that, seeing the Persians advancing, the Athenians took the tactical offensive, and attacked them.

Although there is no strong evidence for any single theory, many independent theories exist, some blaming storms, some capsizing, and some suggesting that wartime enemy activity was to blame for the loss.

Although the perception by the public may be that the " central bank " controls some or all interest rates and currency rates, economic theory ( and substantial empirical evidence ) shows that it is impossible to do both at once in an open economy.

Although a " bijection " seems a more advanced concept than a number, the usual development of mathematics in terms of set theory defines functions before numbers, as they are based on much simpler sets.

Although Wegener's theory was formed independently and was more complete than those of his predecessors, Wegener later credited a number of past authors with similar ideas:

Although Locke did not develop a theory of natural rights, he envisioned individuals in the state of nature as being free and equal.

Although Bohr, Fowler, Pauli, and other physicists agreed with Chandrasekhar's analysis, at the time, owing to Eddington's status, they were unwilling to publicly support Chandrasekhar .< sup >, pp. 110 – 111 </ sup > Through the rest of his life, Eddington held to his position in his writings, including his work on his fundamental theory.

Although Story was highly intelligent and familiar with all the relevant English precedents, he merely summarized them in a confused fashion because he " could not conceive of a modern function or a coherent theory for representative litigation: why?

Although recognized previously by others, the mathematical expression for the Coriolis force appeared in an 1835 paper by French scientist Gaspard-Gustave Coriolis, in connection with the theory of water wheels, Early in the 20th century, the term Coriolis force began to be used in connection with meteorology.

Although Proust proved his theory by accurate measurements, his theory was not immediately accepted partially due to Berthollet's authority.

Although many modern commentators have demurred from Hume's solution, some have notably concurred with it, seeing his analysis of our epistemic predicament as a major contribution to the theory of knowledge.

Although passive cable theory offers insights regarding input propagation along dendrite segments, it is important to remember that dendrite membranes are host to an abundance of proteins some of which may help amplify or attenuate synaptic input.

Although the theories that premise doublespeak are still indefinite, there are some theories that have parallels with the theory of doublespeak and Orwell's ideology in Nineteen Eighty-Four and might possibly provide a better understanding of where doublespeak's theories could have come from.

Although the very act of codification was a radical innovation, given the precedent-based design of the Roman legal system, the jurists were generally conservative, and constantly looked to past Roman practice and theory for guidance.

Although most of the relevant tissues and endocrine glands had been identified by early anatomists, a more humoral approach to understanding biological function and disease was favoured by the ancient Greek and Roman thinkers such as Aristotle, Hippocrates, Lucretius, Celsus, and Galen, according to Freeman et al., and these theories held sway until the advent of germ theory, physiology, and organ basis of pathology in the 19th century.

Although best known for its geometric results, the Elements also includes number theory.