diff --git a/maths_discretes/cours/ordre.pdf b/maths_discretes/cours/ordre.pdf
new file mode 100644
index 0000000..34922ba
Binary files /dev/null and b/maths_discretes/cours/ordre.pdf differ
diff --git a/maths_discretes/cours/relations.pdf b/maths_discretes/cours/relations.pdf
new file mode 100644
index 0000000..b70ade8
Binary files /dev/null and b/maths_discretes/cours/relations.pdf differ