diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index ade88d5..bc0601c 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Algo/Séminaire/Chapter 1 - CAML basics.md",
+                "file": "Algo/Séminaire/Chapter 3 - Case analysis.md",
                 "mode": "source",
                 "source": false
               }
@@ -85,7 +85,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "Algo/Séminaire/Chapter 1 - CAML basics.md",
+                "file": "Algo/Séminaire/Chapter 3 - Case analysis.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -102,7 +102,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "Algo/Séminaire/Chapter 1 - CAML basics.md",
+                "file": "Algo/Séminaire/Chapter 3 - Case analysis.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -125,7 +125,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "Algo/Séminaire/Chapter 1 - CAML basics.md"
+                "file": "Algo/Séminaire/Chapter 3 - Case analysis.md"
               }
             }
           },
@@ -158,12 +158,12 @@
   },
   "active": "9e7be1904dfd4451",
   "lastOpenFiles": [
-    "Algo/Séminaire/assets/basics-meme.png",
-    "Algo/Séminaire/Chapter 5 - Recursivity.md",
-    "Algo/Séminaire/Chapter 4 - A bit of imperative.md",
-    "Algo/Séminaire/Chapter 3 - Case analysis.md",
     "Algo/Séminaire/Chapter 2 - Functions.md",
     "Algo/Séminaire/Chapter 1 - CAML basics.md",
+    "Algo/Séminaire/Chapter 5 - Recursivity.md",
+    "Algo/Séminaire/assets/basics-meme.png",
+    "Algo/Séminaire/Chapter 4 - A bit of imperative.md",
+    "Algo/Séminaire/Chapter 3 - Case analysis.md",
     "Algo/Séminaire/Exercices seminaire.md",
     "Algo/Séminaire/assets/functions-meme.jpg",
     "Algo/Séminaire/assets/unitaire-meme.png",
@@ -185,7 +185,6 @@
     "Mathématiques/Séminaire/Logics/Pasted image 20230904102817.png",
     "Mathématiques/Séminaire/Logics/Pasted image 20230904101446.png",
     "Mathématiques/Séminaire/Logics",
-    "Mathématiques/Séminaire/Logics/Pasted image 20230904101721.png",
     "Mathématiques/Séminaire",
     "2023-09-01.md",
     "Algo",
diff --git a/Algo/Séminaire/Chapter 1 - CAML basics.md b/Algo/Séminaire/Chapter 1 - CAML basics.md
index 7487392..7e1aa8d 100644
--- a/Algo/Séminaire/Chapter 1 - CAML basics.md	
+++ b/Algo/Séminaire/Chapter 1 - CAML basics.md	
@@ -1,3 +1,6 @@
+
+<center><img src="https://gitea.louisgallet.fr/lgallet/epicours/raw/branch/main/Algo/S%C3%A9minaire/assets/basics-meme.png " width=auto height=400 /> </center>  
+
 CAML is a categorical abstract machine language. It is strongly typed. It was created by INRIA in 1984.
 
 ## 1.1. General idea