diff --git a/.obsidian/app.json b/.obsidian/app.json
index bd06f49..6fd1af8 100644
--- a/.obsidian/app.json
+++ b/.obsidian/app.json
@@ -1,3 +1,9 @@
 {
-  "mobilePullAction": "editor:save-file"
+  "mobilePullAction": "editor:save-file",
+  "pdfExportSettings": {
+    "pageSize": "A4",
+    "landscape": false,
+    "margin": "0",
+    "downscalePercent": 100
+  }
 }
\ No newline at end of file
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 058381a..dade1a3 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -148,10 +148,14 @@
   },
   "active": "13c9bfe482ec2d42",
   "lastOpenFiles": [
-    "Algo/Séminaire/Chapter 2 - Functions.md",
-    "Algo/Séminaire/Chapter 1 - CAML basics.md",
-    "Mathématiques/Séminaire/Logics/Logics.md",
+    "Algo/Séminaire/Exercices sémaines.md",
     "Algo/Séminaire/Introduction.md",
+    "Algo/Séminaire/assets/69E2987C-209A-48CD-8964-5A60462966E5.jpg",
+    "Algo/Séminaire/assets",
+    "Algo/Séminaire/assets/F1D2AA19-E790-4022-AFFF-F778EAB28AB5.jpg",
+    "Algo/Séminaire/Chapter 1 - CAML basics.md",
+    "Algo/Séminaire/Chapter 2 - Functions.md",
+    "Mathématiques/Séminaire/Logics/Logics.md",
     "Algo/Séminaire",
     "Untitled.canvas",
     "README.md",
@@ -165,8 +169,6 @@
     "Mathématiques/Séminaire/Logics/Pasted image 20230904100125.png",
     "Mathématiques/Séminaire/Logics/Pasted image 20230904095003.png",
     "Mathématiques/Séminaire/Logics/Pasted image 20230904094230.png",
-    "Mathématiques/Séminaire/Logics/Pasted image 20230904094156.png",
-    "Mathématiques/Séminaire/Logics/Pasted image 20230904093718.png",
     "2023-09-01.md",
     "Algo",
     "Mathématiques",
diff --git a/Algo/Séminaire/Chapter 1 - CAML basics.md b/Algo/Séminaire/Chapter 1 - CAML basics.md
index a975174..195e890 100644
--- a/Algo/Séminaire/Chapter 1 - CAML basics.md	
+++ b/Algo/Séminaire/Chapter 1 - CAML basics.md	
@@ -44,7 +44,7 @@ val x:int = 3 *our current env is x -> 3*
 val y:int = 1 *our current env is x -> 3 ; y -> 1*
 
 # let x = 2
-_:bool = false
+val x : int = 2
 
 # x;;
 _: int = 2
diff --git a/Algo/Séminaire/Exercices sémaines.md b/Algo/Séminaire/Exercices sémaines.md
new file mode 100644
index 0000000..56a22e2
--- /dev/null
+++ b/Algo/Séminaire/Exercices sémaines.md	
@@ -0,0 +1,4 @@
+## 2.3
+![[69E2987C-209A-48CD-8964-5A60462966E5.jpg]]
+
+![[F1D2AA19-E790-4022-AFFF-F778EAB28AB5.jpg]]
\ No newline at end of file
diff --git a/Algo/Séminaire/assets/69E2987C-209A-48CD-8964-5A60462966E5.jpg b/Algo/Séminaire/assets/69E2987C-209A-48CD-8964-5A60462966E5.jpg
new file mode 100644
index 0000000..e58398b
Binary files /dev/null and b/Algo/Séminaire/assets/69E2987C-209A-48CD-8964-5A60462966E5.jpg differ
diff --git a/Algo/Séminaire/assets/F1D2AA19-E790-4022-AFFF-F778EAB28AB5.jpg b/Algo/Séminaire/assets/F1D2AA19-E790-4022-AFFF-F778EAB28AB5.jpg
new file mode 100644
index 0000000..a4e3342
Binary files /dev/null and b/Algo/Séminaire/assets/F1D2AA19-E790-4022-AFFF-F778EAB28AB5.jpg differ