diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 5f4efd9..c1437a4 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -32,7 +32,7 @@
                 "file": "Biometric Systems/slides/LEZIONE12_MULBIOMETRIC.pdf",
                 "page": 7,
                 "left": -4,
-                "top": 479,
+                "top": 483,
                 "zoom": 1.492436974789916
               },
               "icon": "lucide-file-text",
@@ -42,6 +42,22 @@
           {
             "id": "5daa52ac6f774870",
             "type": "leaf",
+            "state": {
+              "type": "pdf",
+              "state": {
+                "file": "Biometric Systems/frequently asked questions/Biomteric Systems.pdf",
+                "page": 7,
+                "left": -11,
+                "top": 702,
+                "zoom": 1.306528020427362
+              },
+              "icon": "lucide-file-text",
+              "title": "Biomteric Systems"
+            }
+          },
+          {
+            "id": "dd73adb95cb32fdf",
+            "type": "leaf",
             "state": {
               "type": "markdown",
               "state": {
@@ -53,22 +69,6 @@
               "title": "BS_questions.txt"
             }
           },
-          {
-            "id": "dd73adb95cb32fdf",
-            "type": "leaf",
-            "state": {
-              "type": "pdf",
-              "state": {
-                "file": "Biometric Systems/slides/LEZIONE3_Affidabilita_del_riconoscimento.pdf",
-                "page": 23,
-                "left": -14,
-                "top": 407,
-                "zoom": 1.0802083333333334
-              },
-              "icon": "lucide-file-text",
-              "title": "LEZIONE3_Affidabilita_del_riconoscimento"
-            }
-          },
           {
             "id": "e0d5025231e551a9",
             "type": "leaf",
@@ -86,7 +86,7 @@
             }
           }
         ],
-        "currentTab": 2
+        "currentTab": 3
       }
     ],
     "direction": "vertical"
@@ -257,10 +257,12 @@
       "companion:Toggle completion": false
     }
   },
-  "active": "5daa52ac6f774870",
+  "active": "dd73adb95cb32fdf",
   "lastOpenFiles": [
-    "Biometric Systems/frequently asked questions/Biomteric Systems.pdf",
     "Biometric Systems/frequently asked questions/BS_oral_questions_16022021.md",
+    "Biometric Systems/slides/LEZIONE3_Affidabilita_del_riconoscimento.pdf",
+    "Biometric Systems/slides/LEZIONE12_MULBIOMETRIC.pdf",
+    "Biometric Systems/frequently asked questions/Biomteric Systems.pdf",
     "Biometric Systems/frequently asked questions/BS_questions.txt.md",
     "Biometric Systems/frequently asked questions/Domande biometrici ita.pdf",
     "Biometric Systems/notes/6. Face recognition 2D.md",
@@ -269,8 +271,6 @@
     "Biometric Systems/notes/11. Fingerprints.md",
     "Biometric Systems/slides/Schema Biometric Systems.pdf",
     "Biometric Systems/slides/LEZIONE7_Face recognition3D.pdf",
-    "Biometric Systems/slides/LEZIONE3_Affidabilita_del_riconoscimento.pdf",
-    "Biometric Systems/slides/LEZIONE12_MULBIOMETRIC.pdf",
     "Biometric Systems/notes/7. Face recognition 3D.md",
     "Foundation of data science/notes/6 PCA.md",
     "Foundation of data science/notes/8 Variational Autoencoders.md",