From 1144dfe54abbdd150847d8971e86657d8ce57de1 Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Tue, 28 Jul 2020 10:08:38 +0200
Subject: [PATCH] Add new file

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+---
+title : Ensembles, relations, algèbre de Boole
+published : false
+visible : false
+---
+
+!!!! 
+
+
+! Nous avons besoin de faire en parallèle les mathématiques...<br>
+! Il faut faire un parallèle entre les "outils mathéatiques" utiles aux physiciens
+et leur présentation plus aboutie et rigoureuse en mathématique.
+
+------------
+
+## Ensembles et sous-ensembles
+Sets and subsets
+Conjuntos y subconjuntos
+
+## Applications, fonctions
+Binary relations, functions
+Relaciones y funciones
+
+Binary relation from a set A to a set B :  is a set of ordered pairs, (m, n),
+or m and n, where m is from the set M, n is from the set N, and m is related to n by some rule.
+Function f : binary relation in which each element of a set A (the domain of f) is related to exactly 
+one element (its image) of an other set B. A function is a relation between two elements of
+two given sets condition that for each element in the domain there's one and only one image
+
+Relacion binario : correspondencia de elementos entre dos conjuntos.
+función : relación en donde a cada elemento de un conjuto (A) le corresponde 
+uno y sólo un elemento de otro conjunto (B), a cada elemento del conjunto A (el dominio) se la asigna 
+un único elemento (su imagen) del conjunto B (el codominio/contradominio).
+
+Bijection
+
+## Relations d'équivalence
+
+## Relations d'ordre
+
+## Treillis
+
+## Algèbre de Boole
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