diff --git a/notes/.obsidian/plugins/emoji-shortcodes/data.json b/notes/.obsidian/plugins/emoji-shortcodes/data.json
new file mode 100644
index 0000000..fbf7107
--- /dev/null
+++ b/notes/.obsidian/plugins/emoji-shortcodes/data.json
@@ -0,0 +1,11 @@
+{
+  "immediateReplace": true,
+  "suggester": true,
+  "historyPriority": true,
+  "historyLimit": 100,
+  "history": [
+    ":white_check_mark:",
+    ":x:",
+    ":ballot_box:"
+  ]
+}
\ No newline at end of file
diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index 71e138d..55ed97c 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2023-04-26",
-      "size": 1066958
+      "size": 1067928
     }
   ],
   "activityHistory": [
@@ -1206,7 +1206,7 @@
         },
         {
           "date": "2023-04-26",
-          "value": 295
+          "value": 1425
         }
       ]
     }
diff --git a/notes/.obsidian/plugins/various-complements/data.json b/notes/.obsidian/plugins/various-complements/data.json
index 628bd6a..e9340c0 100644
--- a/notes/.obsidian/plugins/various-complements/data.json
+++ b/notes/.obsidian/plugins/various-complements/data.json
@@ -286,6 +286,14 @@
           "lastUpdated": 1682418775125
         }
       }
+    },
+    "\\leftrightarrow": {
+      "\\leftrightarrow": {
+        "currentFile": {
+          "count": 1,
+          "lastUpdated": 1682500951514
+        }
+      }
     }
   }
 }
\ No newline at end of file
diff --git a/notes/.obsidian/workspace.json b/notes/.obsidian/workspace.json
index 2ae769e..e1957e5 100644
--- a/notes/.obsidian/workspace.json
+++ b/notes/.obsidian/workspace.json
@@ -20,31 +20,19 @@
             }
           },
           {
-            "id": "255de86181e3ea8e",
+            "id": "767dd8d2c7585fdb",
             "type": "leaf",
             "state": {
               "type": "markdown",
               "state": {
-                "file": "cjl/literatura/slohy/Realismus/Karel Havlíček Borovský.md",
-                "mode": "source",
-                "source": false
-              }
-            }
-          },
-          {
-            "id": "7df3be4c55a85160",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "cjl/literatura/slohy/Realismus/Božena Němcová.md",
+                "file": "mat/Trigonometrie/Geometrie/Přímka.md",
                 "mode": "source",
                 "source": false
               }
             }
           }
         ],
-        "currentTab": 2
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -102,7 +90,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "cjl/literatura/slohy/Realismus/Božena Němcová.md",
+                "file": "mat/Trigonometrie/Geometrie/Přímka.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -119,7 +107,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "cjl/literatura/slohy/Realismus/Božena Němcová.md",
+                "file": "mat/Trigonometrie/Geometrie/Přímka.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -166,7 +154,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "cjl/literatura/slohy/Realismus/Božena Němcová.md"
+                "file": "mat/Trigonometrie/Geometrie/Přímka.md"
               }
             }
           },
@@ -242,12 +230,24 @@
       "breadcrumbs:Breadcrumbs Visualisation": false
     }
   },
-  "active": "7df3be4c55a85160",
+  "active": "767dd8d2c7585fdb",
   "lastOpenFiles": [
-    "cjl/literatura/slohy/Realismus/Karel Havlíček Borovský.md",
-    "cjl/literatura/slohy/Realismus/Božena Němcová.md",
-    "mat/Trigonometrie/Sinová věta.md",
+    "data/Pasted image 20230426112709.png",
+    "data/Pasted image 20230426112637.png",
+    "data/Pasted image 20230426112218.png",
+    "data/Pasted image 20230426112004.png",
+    "data/Pasted image 20230426111821.png",
+    "data/Pasted image 20230426111746.png",
+    "data/Pasted image 20230426111715.png",
+    "data/Pasted image 20230426111635.png",
+    "data/Pasted image 20230426111615.png",
+    "mat/Trigonometrie/Geometrie/Geometrie.md",
     "mat/Trigonometrie/Příklady.md",
+    "mat/Trigonometrie/Geometrie/Přímka.md",
+    "mat/Trigonometrie/Geometrie",
+    "cjl/literatura/slohy/Realismus/Božena Němcová.md",
+    "cjl/literatura/slohy/Realismus/Karel Havlíček Borovský.md",
+    "mat/Trigonometrie/Sinová věta.md",
     "mat/mat.md",
     "fyz/fyz.md",
     "mat/Trigonometrie/Kosinová věta.md",
@@ -270,19 +270,8 @@
     "fyz/Molekulová fyzika/Jevy mezi pevnýma tělesama a kapalinama.md",
     "mat/Funkce/Sinus.md",
     "data/Pasted image 20230419111526.png",
-    "data/Pasted image 20230419111454.png",
     "cjl/literatura/slohy/Realismus/Realismus.md",
-    "cjl/literatura/slohy/Realismus/Fidlovačka aneb žádný řev a žádná rvačka.md",
-    "mat/Trigonometrie/Trigonometrie.md",
-    "mat/Funkce/Cotangens.md",
-    "data/Pasted image 20230419091807.png",
-    "data/Pasted image 20230417192048.png",
     "mat/Trigonometrie",
-    "data/Pasted image 20230412113817.png",
-    "data/Pasted image 20230412113342.png",
-    "data/Pasted image 20230412112525.png",
-    "data/Pasted image 20230412112119.png",
-    "data/Pasted image 20230412111323.png",
     "cjl/literatura/slohy/Realismus",
     "cjl/literatura/slohy/Poetismus",
     "fyz/Molekulová fyzika/Pevne blbosti",
diff --git a/notes/data/Pasted image 20230426111615.png b/notes/data/Pasted image 20230426111615.png
new file mode 100644
index 0000000..4ed30a1
Binary files /dev/null and b/notes/data/Pasted image 20230426111615.png differ
diff --git a/notes/data/Pasted image 20230426111635.png b/notes/data/Pasted image 20230426111635.png
new file mode 100644
index 0000000..97f44ff
Binary files /dev/null and b/notes/data/Pasted image 20230426111635.png differ
diff --git a/notes/data/Pasted image 20230426111715.png b/notes/data/Pasted image 20230426111715.png
new file mode 100644
index 0000000..4963b7a
Binary files /dev/null and b/notes/data/Pasted image 20230426111715.png differ
diff --git a/notes/data/Pasted image 20230426111746.png b/notes/data/Pasted image 20230426111746.png
new file mode 100644
index 0000000..55b02ab
Binary files /dev/null and b/notes/data/Pasted image 20230426111746.png differ
diff --git a/notes/data/Pasted image 20230426111821.png b/notes/data/Pasted image 20230426111821.png
new file mode 100644
index 0000000..c870632
Binary files /dev/null and b/notes/data/Pasted image 20230426111821.png differ
diff --git a/notes/data/Pasted image 20230426112004.png b/notes/data/Pasted image 20230426112004.png
new file mode 100644
index 0000000..2d58314
Binary files /dev/null and b/notes/data/Pasted image 20230426112004.png differ
diff --git a/notes/data/Pasted image 20230426112218.png b/notes/data/Pasted image 20230426112218.png
new file mode 100644
index 0000000..0fd2325
Binary files /dev/null and b/notes/data/Pasted image 20230426112218.png differ
diff --git a/notes/data/Pasted image 20230426112637.png b/notes/data/Pasted image 20230426112637.png
new file mode 100644
index 0000000..a3bea6e
Binary files /dev/null and b/notes/data/Pasted image 20230426112637.png differ
diff --git a/notes/data/Pasted image 20230426112709.png b/notes/data/Pasted image 20230426112709.png
new file mode 100644
index 0000000..037645e
Binary files /dev/null and b/notes/data/Pasted image 20230426112709.png differ
diff --git a/notes/mat/Trigonometrie/Geometrie/Geometrie.md b/notes/mat/Trigonometrie/Geometrie/Geometrie.md
new file mode 100644
index 0000000..5f0a146
--- /dev/null
+++ b/notes/mat/Trigonometrie/Geometrie/Geometrie.md
@@ -0,0 +1,3 @@
+%% Zoottelkeeper: Beginning of the autogenerated index file list  %%
+-  [[mat/Trigonometrie/Geometrie/Přímka|Přímka]]
+%% Zoottelkeeper: End of the autogenerated index file list  %%
diff --git a/notes/mat/Trigonometrie/Geometrie/Přímka.md b/notes/mat/Trigonometrie/Geometrie/Přímka.md
new file mode 100644
index 0000000..3e34baa
--- /dev/null
+++ b/notes/mat/Trigonometrie/Geometrie/Přímka.md
@@ -0,0 +1,25 @@
+# Přímka
+úsečka AB $AB$
+velikost úsečky AB $|AB|$
+přímka AB $\leftrightarrow AB$
+polopřímka AB $\mapsto AB$
+
+![](Pasted%20image%2020230426111615.png)
+$B\in\mapsto AC$✅
+![](Pasted%20image%2020230426111635.png)
+$AC\subset\mapsto BF$ ✅
+![](Pasted%20image%2020230426111715.png)
+$B\not\in\mapsto AC$ ❌
+![](Pasted%20image%2020230426111746.png)
+$BA\not\subset\mapsto CF$ ❌
+![](Pasted%20image%2020230426111821.png)
+$CB\cap AF=\emptyset$ ❌
+![](Pasted%20image%2020230426112004.png)
+$AC\cap BD=\{C\}$ ❌
+![](Pasted%20image%2020230426112218.png)
+$\leftrightarrow AC\equiv\leftrightarrow BF$ ✅
+![](Pasted%20image%2020230426112637.png)
+$AC\approx BF$ ❌
+![](Pasted%20image%2020230426112709.png)
+$|BS|=|SF|;S\in BF$ ✅
+
diff --git a/notes/mat/Trigonometrie/Trigonometrie.md b/notes/mat/Trigonometrie/Trigonometrie.md
index ffe7e57..1738a0e 100644
--- a/notes/mat/Trigonometrie/Trigonometrie.md
+++ b/notes/mat/Trigonometrie/Trigonometrie.md
@@ -78,6 +78,7 @@ Dopočítejte zbývající prvky v trojúhelníku.
 
 
 %% Zoottelkeeper: Beginning of the autogenerated index file list  %%
+-  [[mat/Trigonometrie/Geometrie/Geometrie|Geometrie]]
 -  [[mat/Trigonometrie/Kosinová věta|Kosinová věta]]
 -  [[mat/Trigonometrie/Příklady|Příklady]]
 -  [[mat/Trigonometrie/Sinová věta|Sinová věta]]