11 résultats pour "démonstrativité"
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La démonstrativité du fait ?
III ... et cette démonstration repose nécessairement sur de l'indémontrable. A/ On ne peut démontrer qu'en partant d'hypothèses elles-mêmes indémontrées. 1/ La démonstration ne peut remonter à l'infini : il faut un point de départ . 2/ Celui-ci ne peut être démontré mais doit être admis pour rendre possible la démonstration. •Ex. : les postulats d'Euclide= ce qu'il nous demande d'admettre (postularer =demander, en latin) B/ En mathémati...
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Wolfgang Amadeus Mozart
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INTRODUCTION
Wolfgang Amadeus Mozart
Wolfgang Amadeus Mozart, an 18th-century Austrian classical composer and one of the most famous musicians of all time,
came from a family of musicians that included his father and sister.
The opera, Mitridati, rè di Ponto (Mithridates, King of Pontus), was produced in 1770 in Milan under Mozart’s direction with success. Also that year the pope made Mozart a knight of the Order of the Golden Spur. A Salzburg and Germany From 1775 to 1780 Mozart was based mainly in Salzburg working for the archbishop Hieronymous von Colloredo. Although dissatisfied with the low pay and limitedopportunities his employment offered, Mozart composed many works during this period, including his first...
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Les principales dates de l'Histoire de la Génétique
1877 Fleming visualise les chromosomes 1882 August Weismann observe la distinction entre des cellules somatiques et\ les cellules germinales; chromosomes observed by Walther Flemming in the nuclei of di\ viding salamander cells. He uses the word mitosis 1887 A Weismann postulates the reduction of chromosome number in germ cells 1888 W Waldeyer coins the word chromosome 1889 Johann Miescher isolates DNA from salmon sperm; F Galton publishes Natural Inheritance (biometry) 1892 A Wei...
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Dictionnaire en ligne:
DÉMONSTRATIF, -IVE, adjectif.
HENRI PETIOT, DIT DANIEL-ROPS, Mort, où est ta victoire? 1934, page 134. B.— Domaine de la pensée. [Parfois suivi d'un substantif introduit par de] Qui démontre, qui établit d'une manière évidente et rigoureuse la vérité de quelque chose; qui est destiné à démontrer. (Avoir) une valeur démonstrative. Ces raisons prétendues démonstratives n'ont nullement la vertu de convaincre tous les esprits (AUGUSTIN COURNOT, Essai sur les fondements de nos connaissances et sur les caractères de la critique p...
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Rembrandt
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INTRODUCTION
Rembrandt (1606-1669), Dutch baroque artist, who ranks as one of the greatest painters in the history of Western art.
of his collection of art and antiquities, taken before an auction to pay his debts, showed the breadth of Rembrandt's interests: ancient sculpture, Flemish and ItalianRenaissance paintings, Far Eastern art, contemporary Dutch works, weapons, and armor. Unfortunately, the results of the auction—including the sale of hishouse—were disappointing. These problems in no way affected Rembrandt's work; if anything, his artistry increased. Some of the great paintings from this period are The Jewish Brid...
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Wolfgang Amadeus Mozart.
including the sacred style of church music and the so-called galant (courtly) idiom. The elegant though often superficial galant style dominated much instrumental music of the 1760s and 1770s. Mozart’s mastery often demonstrates itself in an ability to expand and deepen the stylistic possibilities of the time. The manner in which heextended the character and form of the concerto, for instance, owes much to his experience in writing operatic arias. A Musical Expressiveness In the masterful Je...
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Apollo Program - astronomy.
Moon’s orbit; rendezvousing and docking with the CSM; and finally, setting a course home to Earth. On return to Earth, the spacecraft was slowed by drag from Earth’satmosphere and by parachutes (just before splashdown), before landing in the ocean. The transit time to and from the Moon was approximately three days each way.Depending on the specific mission, the time in lunar orbit ranged from less than one day for Apollo 8 to over six days for the final three missions, and the time on thelunar s...
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Apollo Program - U.
Moon’s orbit; rendezvousing and docking with the CSM; and finally, setting a course home to Earth. On return to Earth, the spacecraft was slowed by drag from Earth’satmosphere and by parachutes (just before splashdown), before landing in the ocean. The transit time to and from the Moon was approximately three days each way.Depending on the specific mission, the time in lunar orbit ranged from less than one day for Apollo 8 to over six days for the final three missions, and the time on thelunar s...
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Religion.
By the end of the 19th century, scholars were making religion an object of systematic inquiry. Müller’s comparative approach was adopted in many European andJapanese universities, and as a result the common features of world religions (such as gods, prayer, priesthood, and creation myths) were the subjects of sustainedscholarly investigation. In addition, field anthropologists had begun to compile firsthand accounts of the religions of peoples who previously had been dismissed assavages. The stu...
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Sound
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INTRODUCTION
Sound, physical phenomenon that stimulates the sense of hearing.
A fundamental law of harmony states that two notes an octave apart, when sounded together, produce a pleasant-sounding combination. Other combinations of notescan also be pleasing. Physically, an interval of a fifth consists of two notes, the frequencies of which bear the arithmetical ratio 3 to 2, and a major third, the ratio 5 to4. Fundamentally, the law of harmony states that two or more notes sound pleasant when played together if their frequencies bear small, whole number ratios; if thefreq...
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Animation
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INTRODUCTION
Finding Nemo
A clown fish named Marlin, left, and his friend Dory search for Marlin's son in the computer-animated feature film Finding
Nemo (2003).
Animator at WorkAnimators use computers for every part of the animation process, from creating a storyboard (a scene-by-sceneillustration of the plot) to imitating camera movement. This animator is creating a scene for the motion picture Antz(1998).C. Lepetit/Liaison Agency If an animator is basing the animation project on drawings, one of the most common animation techniques, he or she will first create a series of rough sketches thatoften will be filmed in a pencil test (simple line drawings...