4. Qui porte sur une chose, par opposition à personnel (droit réel, action réelle, par exemple).
Informatique
5. Relatif à une variable pouvant prendre dans un programme des valeurs numériques non entières.
Mathématiques
6. Se dit en géométrie analytique d'un ensemble dont tous les points ont pour coordonnées des nombres réels.
réel
nom masculin
Ce qui est, ce qui existe, ce qui arrive en fait.
Expressions avec réel
réel, réelle
adjectif
Informatique
Traitement en temps réel,
mode de fonctionnement d'un système informatique dans lequel l'ordinateur élabore, à partir de données acquises ou reçues de l'extérieur, des informations de commande, de contrôle ou simplement de réponse, dans un intervalle de temps très faible vis-à-vis de l'évolution du processus avec lequel il est en relation.
Mathématiques
Droite réelle,
synonyme de droite graduée.
Synonyme :
droite graduée.
Partie réelle d'un nombre complexe (z = x + iy),
réel x.
Citations avec réel
Émile Chartier, dit Alain (Mortagne-au-Perche 1868-Le Vésinet 1951) Aucun possible n'est beau ; le réel seul est beau. Système des beaux-arts, Gallimard
Louis Aragon (Paris 1897-Paris 1982) L'extraordinaire du roman, c'est que pour comprendre le réel objectif, il invente d'inventer. Les Cloches de Bâle, Denoël
Antonin Artaud (Marseille 1896-Ivry-sur-Seine 1948) […] ce fantastique dont on s'aperçoit toujours plus qu'il est en réalité tout le réel, […]. Sorcellerie et Cinéma, Gallimard
Antonin Artaud (Marseille 1896-Ivry-sur-Seine 1948) Le tricheur est celui qui corrige le sort, donc le réel : c'est un mystique en son genre. Lettre à Steve Passeur, 13 décembre 1931 , Gallimard
Henri Barbusse (Asnières 1873-Moscou 1935) Le réel et le surnaturel, c'est la même chose. L'Enfer, Librairie Mondiale
André Breton (Tinchebray, Orne, 1896-Paris 1966) L'imaginaire est ce qui tend à devenir réel. Le Revolver à cheveux blancs, Gallimard
Michel Butor (Mons-en-Barœul 1926-Contamine-sur-Arve, Haute-Savoie, 2016) Il ne peut y avoir de réalisme véritable que si l'on fait sa part à l'imagination, si l'on comprend que l'imaginaire est dans le réel, et que nous voyons le réel par lui. Répertoire II, Éditions de Minuit
Roger Caillois (Reims 1913-Paris 1978) Académie française, 1971 Le fantastique suppose la solidité du monde réel, mais pour mieux la ravager. Images, images , José Corti
André Gide (Paris 1869-Paris 1951) Dans le domaine des sentiments, le réel ne se distingue pas de l'imaginaire. Les Faux-Monnayeurs, Gallimard
Jean Giraudoux (Bellac 1882-Paris 1944) Un peuple n'a une vie réelle grande que s'il a une vie irréelle puissante. L'Impromptu de Paris, scène 4, Jouvet , Grasset
Georg Wilhelm Friedrich Hegel (Stuttgart 1770-Berlin 1831) Ce qui est raisonnable est réel, et ce qui est réel est raisonnable. Fondements de la philosophie du droit Was vernünftig ist, das ist wirklich ; und was wirklich ist, das ist vernünftig. Grundlinien der Philosophie des Rechts
Søren Aabye Kierkegaard (Copenhague 1813-Copenhague 1855) Le réel n'est pas plus nécessaire que le possible, car le nécessaire est absolument différent des deux. Miettes philosophiques, Intermède, 1
Jean-Baptiste Poquelin, dit Molière (Paris 1622-Paris 1673) Je ne sais si cela se peut ; mais je sais bien que cela est. L'Amour médecin, II, 2, Lisette
Paul Nizan (Tours 1905-Audruicq, Pas-de-Calais, 1940) Nous rejetons toute mythologie humaniste qui parle d'un homme abstrait et néglige les conditions réelles de sa vie […]. Pour une nouvelle culture, Grasset
Paul Valéry (Sète 1871-Paris 1945) Politique de la vie. Le réel est toujours dans l'opposition. Mauvaises Pensées et autres, Gallimard
Paul Valéry (Sète 1871-Paris 1945) Toute vue de choses qui n'est pas étrange est fausse. Si quelque chose est réelle, elle ne peut que perdre de sa réalité en devenant familière. Méditer en philosophe, c'est revenir du familier à l'étrange, et dans l'étrange affronter le réel. Choses tues, Gallimard
Commentaire La première phrase de cette pensée de Valéry a été écrite sur les murs de la Sorbonne lors des événements de mai 1968 (avec des choses au lieu de de choses ). H. de Montherlant l'a reprise comme épigraphe de son roman les Garçons.
« Dans ces parages de l'aisance, on voudrait tant que tout fût pour le mieux dans le meilleur des mondes » (Aragon). « Mieux » et « meilleur » sont ici :
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