diff --git a/notebooks/presentations/BadHonnef_2019.ipynb b/notebooks/presentations/BadHonnef_2019.ipynb
index 8c5bb599f5ed8dd5cf8b1925ca020a140ee4b8bf..20dfdad1a2ba5497d18bdf2adcd711e48a6476e6 100644
--- a/notebooks/presentations/BadHonnef_2019.ipynb
+++ b/notebooks/presentations/BadHonnef_2019.ipynb
@@ -12,6 +12,7 @@
     "\n",
     "### David Geleßus, Michael Leuschel\n",
     "### Bad Honnef, 2019\n",
+    "#### 36. Workshop der GI-Fachgruppe Programmiersprachen und Rechenkonzepte\n",
     "\n",
     "![ProB](./img/prob_logo.png)"
    ]
@@ -62,6 +63,7 @@
     "* Browserbasierte Notebook-Oberfläche\n",
     "* Open Source und plattformübergreifend\n",
     "* Stammt aus der Python-Community, in Python implementiert\n",
+    "* ACM System Software Award 2017\n",
     "* Jupyter-Notebooks können aber verschiedene Programmiersprachen verwenden\n",
     "* Dazu trennt Jupyter strikt zwischen Frontend und Kernel:\n",
     "    * Das allgemeine **Frontend** implementiert z. B. Benutzeroberfläche und Dateiformat\n",
@@ -84,6 +86,7 @@
     "* Grundlage: Solver für Prädikatenlogik, Mengentheorie mit Relationen, Funktionen und Arithmetik.\n",
     "* Unterstützt hauptsächlich B-Spezifikationen (klassisches B, Event-B)\n",
     "* Versteht auch andere Sprachen wie TLA<sup>+</sup> und CSP<sub>M</sub>\n",
+    "* Verschiedene Solver Backends (CLP, SAT, SMT), verschiedene Modelchecking Backends (Prolog, parB, C für LTL, LTSMin [sym,seq,par], TLC)\n",
     "* ProBs APIs sind für alle Sprachen gleich\n",
     "    * Der ProB 2-Jupyter-Kernel unterstützt daher (fast) alle Sprachen, die ProB versteht"
    ]
@@ -93,13 +96,15 @@
    "metadata": {},
    "source": [
     "## Einsatz von ProB in der Industrie\n",
-    "* Datenvalidierung: Siemens (Paris Line 1, Barcelona, Alger, ...), Alstom (Amsterdam,...), Thales (Schweiz,...), RATP, SNCF, ...\n",
+    "* Datenvalidierung: Siemens (Paris Line 1, Barcelona, Alger, ...), Alstom (Amsterdam,...), Thales (Schweiz, Dänemark, Slovenien, Thailand,...), RATP, SNCF, ...\n",
     "* Zertifizierung als T2 Werkzeug nach EN50128\n",
     "* Validierung von Systemmodellen: ClearSy (Octys, ...),...\n",
     "* Ausführung formaler Modelle in Echtzeit\n",
     " * SlotTool \n",
     " * Hybrid Level 3 - ETCS  (Thales, ProRail/Network Rail/DB), Video der Deutschen Bahn: https://www.youtube.com/watch?v=FjKnugbmrP4\n",
-    "![HL3](./img/HL3_screenshot.png)"
+    "![HL3](./img/HL3_screenshot.png)\n",
+    "\n",
+    "* Anmerkung: in etwa 30% aller CBTC U-Bahnen weltweit benutzen B."
    ]
   },
   {
@@ -143,30 +148,30 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 48,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/markdown": [
-       "$\\{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47\\}$"
+       "$\\{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499\\}$"
       ],
       "text/plain": [
-       "{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47}"
+       "{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499}"
       ]
      },
-     "execution_count": 1,
+     "execution_count": 48,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "{x | x > 1 & x < 50 & not(#y.(y > 1 & y < x & x mod y = 0))}"
+    "{x | x > 1 & x < 500 & not(#y.(y > 1 & y < x & x mod y = 0))}"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 49,
    "metadata": {},
    "outputs": [
     {
@@ -178,7 +183,7 @@
        "x > 1 ∧ x < 50 ∧ ¬(∃y·(y > 1 ∧ y < x ∧ x mod y = 0))"
       ]
      },
-     "execution_count": 2,
+     "execution_count": 49,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -200,7 +205,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 50,
    "metadata": {},
    "outputs": [
     {
@@ -212,7 +217,7 @@
        "{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47}"
       ]
      },
-     "execution_count": 3,
+     "execution_count": 50,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -234,7 +239,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [
     {
@@ -266,7 +271,7 @@
        "\tO = 0"
       ]
      },
-     "execution_count": 4,
+     "execution_count": 51,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -294,7 +299,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 52,
    "metadata": {},
    "outputs": [
     {
@@ -309,7 +314,7 @@
        "9\t5\t6\t7\t1\t0\t8\t2\n"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 52,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -342,7 +347,50 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 53,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/markdown": [
+       "$\\{(2\\mapsto 1),(3\\mapsto 1),(3\\mapsto 2),(4\\mapsto 1),(4\\mapsto 2),(4\\mapsto 3),(5\\mapsto 1),(5\\mapsto 2),(5\\mapsto 3),(5\\mapsto 4)\\}$"
+      ],
+      "text/plain": [
+       "{(2↦1),(3↦1),(3↦2),(4↦1),(4↦2),(4↦3),(5↦1),(5↦2),(5↦3),(5↦4)}"
+      ]
+     },
+     "execution_count": 53,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "{x,y|x:1..5 & y:1..5 & x>y}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Preference changed: DOT_ENGINE = circo\n"
+      ]
+     },
+     "execution_count": 54,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    ":pref DOT_ENGINE=circo"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 84,
    "metadata": {},
    "outputs": [
     {
@@ -451,153 +499,13 @@
        "<Dot visualization: expr_as_graph [(\"k5\",{x,y|x:1..5 & y:1..5 & x>y})]>"
       ]
      },
-     "execution_count": 6,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    ":dot expr_as_graph (\"k5\",{x,y|x:1..5 & y:1..5 & x>y})"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 7,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "Preference changed: DOT_ENGINE = circo\n"
-      ]
-     },
-     "execution_count": 7,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    ":pref DOT_ENGINE=circo"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 8,
-   "metadata": {},
-   "outputs": [
-    {
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-      ],
-      "text/plain": [
-       "<Dot visualization: expr_as_graph [(\"k5\",{x,y|x:1..5 & y:1..5 & x>y})]>"
-      ]
-     },
-     "execution_count": 8,
+     "execution_count": 84,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    ":dot expr_as_graph (\"k5\",{x,y|x:1..5 & y:1..5 & x>y})"
+    ":dot expr_as_graph (\"k5\",({x,y|x:1..5 & y:1..5 & x>y} ))"
    ]
   },
   {
@@ -674,7 +582,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 58,
    "metadata": {},
    "outputs": [
     {
@@ -683,7 +591,7 @@
        "Loaded machine: Jupyter_LibraryRegex"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 58,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -712,7 +620,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 59,
    "metadata": {},
    "outputs": [
     {
@@ -724,7 +632,7 @@
        "{(1↦\"234\"),(2↦\"567\")}"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 59,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -735,7 +643,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 60,
    "metadata": {},
    "outputs": [
     {
@@ -747,7 +655,7 @@
        "[\"a\",\"b\",\"c\",\"ä\",\"é\",\"à\"]"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 60,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -770,20 +678,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "Loaded machine: BaseTypes"
-      ]
-     },
-     "execution_count": 12,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "::load\n",
     "MACHINE BaseTypes\n",
@@ -808,23 +705,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/markdown": [
-       "$\\{(\\mathit{peter}\\mapsto \\mathit{red}),(\\mathit{peter}\\mapsto \\mathit{green}),(\\mathit{peter}\\mapsto \\mathit{blue}),(\\mathit{paul}\\mapsto \\mathit{red}),(\\mathit{paul}\\mapsto \\mathit{green}),(\\mathit{paul}\\mapsto \\mathit{blue}),(\\mathit{mary}\\mapsto \\mathit{red}),(\\mathit{mary}\\mapsto \\mathit{green}),(\\mathit{mary}\\mapsto \\mathit{blue})\\}$"
-      ],
-      "text/plain": [
-       "{(peter↦red),(peter↦green),(peter↦blue),(paul↦red),(paul↦green),(paul↦blue),(mary↦red),(mary↦green),(mary↦blue)}"
-      ]
-     },
-     "execution_count": 13,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "PERSONS × COLOURS"
    ]
@@ -842,23 +725,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/markdown": [
-       "$\\{(\\mathit{peter}\\mapsto \\mathit{green}),(\\mathit{peter}\\mapsto \\mathit{blue}),(\\mathit{mary}\\mapsto \\mathit{blue})\\}$"
-      ],
-      "text/plain": [
-       "{(peter↦green),(peter↦blue),(mary↦blue)}"
-      ]
-     },
-     "execution_count": 14,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "{peter|->green,peter|->blue,mary|->blue}"
    ]
@@ -876,111 +745,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "image/svg+xml": [
-       "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n",
-       "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n",
-       " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n",
-       "<!-- Generated by graphviz version 2.28.0 (20110509.1545)\n",
-       " -->\n",
-       "<!-- Title: state Pages: 1 -->\n",
-       "<svg width=\"166pt\" height=\"208pt\"\n",
-       " viewBox=\"0.00 0.00 166.00 208.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
-       "<g id=\"graph1\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 204)\">\n",
-       "<title>state</title>\n",
-       "<polygon fill=\"white\" stroke=\"white\" points=\"-4,5 -4,-204 163,-204 163,5 -4,5\"/>\n",
-       "<g id=\"graph2\" class=\"cluster\"><title>cluster_PERSONS</title>\n",
-       "<polygon fill=\"lightgrey\" stroke=\"lightgrey\" points=\"8,-118 8,-192 150,-192 150,-118 8,-118\"/>\n",
-       "<text text-anchor=\"middle\" x=\"79\" y=\"-177.2\" font-family=\"Times,serif\" font-size=\"12.00\">PERSONS</text>\n",
-       "</g>\n",
-       "<g id=\"graph3\" class=\"cluster\"><title>cluster_COLOURS</title>\n",
-       "<polygon fill=\"lightgrey\" stroke=\"lightgrey\" points=\"8,-8 8,-82 150,-82 150,-8 8,-8\"/>\n",
-       "<text text-anchor=\"middle\" x=\"79\" y=\"-67.2\" font-family=\"Times,serif\" font-size=\"12.00\">COLOURS</text>\n",
-       "</g>\n",
-       "<!-- mary -->\n",
-       "<g id=\"node1\" class=\"node\"><title>mary</title>\n",
-       "<polygon fill=\"#efdf84\" stroke=\"#efdf84\" points=\"70,-162 16,-162 16,-126 70,-126 70,-162\"/>\n",
-       "<text text-anchor=\"middle\" x=\"43\" y=\"-139.8\" font-family=\"Times,serif\" font-size=\"14.00\">mary</text>\n",
-       "</g>\n",
-       "<!-- blue -->\n",
-       "<g id=\"node3\" class=\"node\"><title>blue</title>\n",
-       "<polygon fill=\"#bdef6b\" stroke=\"#bdef6b\" points=\"70,-52 16,-52 16,-16 70,-16 70,-52\"/>\n",
-       "<text text-anchor=\"middle\" x=\"43\" y=\"-29.8\" font-family=\"Times,serif\" font-size=\"14.00\">blue</text>\n",
-       "</g>\n",
-       "<!-- mary&#45;&gt;blue -->\n",
-       "<g id=\"edge2\" class=\"edge\"><title>mary&#45;&gt;blue</title>\n",
-       "<path fill=\"none\" stroke=\"firebrick\" d=\"M43,-125.648C43,-108.564 43,-82.215 43,-62.3195\"/>\n",
-       "<polygon fill=\"firebrick\" stroke=\"firebrick\" points=\"46.5001,-62.309 43,-52.309 39.5001,-62.309 46.5001,-62.309\"/>\n",
-       "<text text-anchor=\"middle\" x=\"48.8303\" y=\"-94.8\" font-family=\"Times,serif\" font-size=\"14.00\">r1</text>\n",
-       "</g>\n",
-       "<!-- peter -->\n",
-       "<g id=\"node4\" class=\"node\"><title>peter</title>\n",
-       "<polygon fill=\"#efdf84\" stroke=\"#efdf84\" points=\"142,-162 88,-162 88,-126 142,-126 142,-162\"/>\n",
-       "<text text-anchor=\"middle\" x=\"115\" y=\"-139.8\" font-family=\"Times,serif\" font-size=\"14.00\">peter</text>\n",
-       "</g>\n",
-       "<!-- peter&#45;&gt;blue -->\n",
-       "<g id=\"edge4\" class=\"edge\"><title>peter&#45;&gt;blue</title>\n",
-       "<path fill=\"none\" stroke=\"firebrick\" d=\"M103.432,-125.648C91.728,-108.092 73.5006,-80.7508 60.1229,-60.6843\"/>\n",
-       "<polygon fill=\"firebrick\" stroke=\"firebrick\" points=\"62.9986,-58.6881 54.5393,-52.309 57.1742,-62.571 62.9986,-58.6881\"/>\n",
-       "<text text-anchor=\"middle\" x=\"95.8303\" y=\"-94.8\" font-family=\"Times,serif\" font-size=\"14.00\">r1</text>\n",
-       "</g>\n",
-       "<!-- green -->\n",
-       "<g id=\"node7\" class=\"node\"><title>green</title>\n",
-       "<polygon fill=\"#bdef6b\" stroke=\"#bdef6b\" points=\"142,-52 88,-52 88,-16 142,-16 142,-52\"/>\n",
-       "<text text-anchor=\"middle\" x=\"115\" y=\"-29.8\" font-family=\"Times,serif\" font-size=\"14.00\">green</text>\n",
-       "</g>\n",
-       "<!-- peter&#45;&gt;green -->\n",
-       "<g id=\"edge6\" class=\"edge\"><title>peter&#45;&gt;green</title>\n",
-       "<path fill=\"none\" stroke=\"firebrick\" d=\"M115,-125.648C115,-108.564 115,-82.215 115,-62.3195\"/>\n",
-       "<polygon fill=\"firebrick\" stroke=\"firebrick\" points=\"118.5,-62.309 115,-52.309 111.5,-62.309 118.5,-62.309\"/>\n",
-       "<text text-anchor=\"middle\" x=\"120.83\" y=\"-94.8\" font-family=\"Times,serif\" font-size=\"14.00\">r1</text>\n",
-       "</g>\n",
-       "</g>\n",
-       "</svg>"
-      ],
-      "text/plain": [
-       "<Dot visualization: expr_as_graph [(\"r1\",{(peter,green),(peter,blue),(mary,blue)})]>"
-      ]
-     },
-     "execution_count": 15,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     ":dot expr_as_graph (\"r1\",{peter|->green,peter|->blue,mary|->blue})"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/markdown": [
-       "|prj1|prj2|\n",
-       "|---|---|\n",
-       "|$\\mathit{peter}$|$\\mathit{green}$|\n",
-       "|$\\mathit{peter}$|$\\mathit{blue}$|\n",
-       "|$\\mathit{mary}$|$\\mathit{blue}$|\n"
-      ],
-      "text/plain": [
-       "prj1\tprj2\n",
-       "peter\tgreen\n",
-       "peter\tblue\n",
-       "mary\tblue\n"
-      ]
-     },
-     "execution_count": 16,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     ":table {peter|->green,peter|->blue,mary|->blue}"
    ]
@@ -999,46 +775,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/markdown": [
-       "$\\{(\\mathit{peter}\\mapsto \\mathit{green}),(\\mathit{peter}\\mapsto \\mathit{blue})\\}$"
-      ],
-      "text/plain": [
-       "{(peter↦green),(peter↦blue)}"
-      ]
-     },
-     "execution_count": 17,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "{peter|->green,peter|->blue,mary|->blue} - {mary|->blue}"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/markdown": [
-       "$\\{(\\mathit{mary}\\mapsto \\mathit{blue})\\}$"
-      ],
-      "text/plain": [
-       "{(mary↦blue)}"
-      ]
-     },
-     "execution_count": 18,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "{peter|->green,peter|->blue,mary|->blue} /\\ {mary}*COLOURS"
    ]
@@ -1099,7 +847,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
@@ -1108,7 +856,7 @@
        "Loaded machine: NFA_nach_DFA"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1124,10 +872,10 @@
     " S ⊆ Z ∧ F ⊆ Z ∧ δ ∈ (Z×Σ) → ℙ(Z) ∧\n",
     "\n",
     " /* Definition der erweiterten Übergangsfunktion */\n",
-    " δs = λ(ZZ,s).(ZZ⊆Z | IF s=[] THEN ZZ ELSE UNION(z).(z∈ZZ|δs(δ(z,first(s)),tail(s))) END )\n",
+    " δs = λ(Z2,s).(Z2⊆Z | IF s=[] THEN Z2 ELSE UNION(z).(z∈Z2|δs(δ(z,first(s)),tail(s))) END )\n",
     " ∧\n",
     " /* die vom Automaten generierte Sprache */\n",
-    " L = {s|s∈seq(Σ) ∧ δs(S,s) ∩ F ≠ ∅}\n",
+    " L = {ω|ω∈seq(Σ) ∧ δs(S,ω) ∩ F ≠ ∅}\n",
     " ∧\n",
     " /* Nun ein Beispiel-Automat von Folie 24 (Info 4) */\n",
     " Σ = {0,1} ∧\n",
@@ -1141,7 +889,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 62,
    "metadata": {},
    "outputs": [
     {
@@ -1150,7 +898,7 @@
        "Machine constants set up using operation 0: $setup_constants()"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 62,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1161,7 +909,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 63,
    "metadata": {},
    "outputs": [
     {
@@ -1170,7 +918,7 @@
        "Machine initialised using operation 1: $initialise_machine()"
       ]
      },
-     "execution_count": 22,
+     "execution_count": 63,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1192,7 +940,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 64,
    "metadata": {},
    "outputs": [
     {
@@ -1204,7 +952,7 @@
        "{z0,z1}"
       ]
      },
-     "execution_count": 23,
+     "execution_count": 64,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1222,7 +970,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 65,
    "metadata": {},
    "outputs": [
     {
@@ -1234,7 +982,7 @@
        "2"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 65,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1259,7 +1007,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 66,
    "metadata": {},
    "outputs": [
     {
@@ -1288,7 +1036,7 @@
        "z3\t1\t{z3}\n"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 66,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1299,7 +1047,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 67,
    "metadata": {},
    "outputs": [
     {
@@ -1383,7 +1131,7 @@
        "<Dot visualization: expr_as_graph [(\"0\",{x,y|x:Z & y:δ(x, 0)})]>"
       ]
      },
-     "execution_count": 10,
+     "execution_count": 67,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1406,7 +1154,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 68,
    "metadata": {},
    "outputs": [
     {
@@ -1418,7 +1166,7 @@
        "{z0,z1,z2,z3}"
       ]
      },
-     "execution_count": 11,
+     "execution_count": 68,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1436,7 +1184,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 69,
    "metadata": {},
    "outputs": [
     {
@@ -1448,7 +1196,7 @@
        "{z2}"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 69,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1459,7 +1207,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 70,
    "metadata": {},
    "outputs": [
     {
@@ -1471,7 +1219,7 @@
        "∅"
       ]
      },
-     "execution_count": 13,
+     "execution_count": 70,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1493,7 +1241,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 136,
+   "execution_count": 71,
    "metadata": {},
    "outputs": [
     {
@@ -1514,7 +1262,7 @@
        "1\t1\t1\n"
       ]
      },
-     "execution_count": 136,
+     "execution_count": 71,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1532,7 +1280,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 72,
    "metadata": {},
    "outputs": [
     {
@@ -1553,7 +1301,7 @@
        "1\t0\t1\n"
       ]
      },
-     "execution_count": 24,
+     "execution_count": 72,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1585,7 +1333,8 @@
     "* Zustandsmenge von $M'$: die Potenzmenge $\\pow(Z)$ von $Z$,\n",
     "* $\\delta'(Z' , a) = \\widehat{\\delta}(Z',a)$ für alle $Z' \\subseteq Z$ und $a \\in \\Sigma$,\n",
     "* $z_0'=S$,\n",
-    "* $F = \\{ Z' \\subseteq Z \\mid Z' \\cap E \\neq \\emptyset\\}$."
+    "* $F = \\{ Z' \\subseteq Z \\mid Z' \\cap E \\neq \\emptyset\\}$.\n",
+    "Offenbar sind M' und M äquivalent, denn für alle ...\n"
    ]
   },
   {
@@ -1598,7 +1347,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 141,
+   "execution_count": 73,
    "metadata": {},
    "outputs": [
     {
@@ -1610,7 +1359,7 @@
        "{∅,{z0},{z0,z1},{z0,z2},{z0,z3},{z1},{z0,z1,z2},{z0,z1,z3},{z1,z2},{z1,z3},{z0,z1,z2,z3},{z2},{z0,z2,z3},{z1,z2,z3},{z2,z3},{z3}}"
       ]
      },
-     "execution_count": 141,
+     "execution_count": 73,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1632,7 +1381,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 74,
    "metadata": {},
    "outputs": [
     {
@@ -1709,7 +1458,7 @@
        "{z3}\t1\t{z3}\n"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 74,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1731,7 +1480,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 75,
    "metadata": {},
    "outputs": [
     {
@@ -1740,7 +1489,7 @@
        "Preference changed: DOT_DECOMPOSE_NODES = FALSE\n"
       ]
      },
-     "execution_count": 17,
+     "execution_count": 75,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1751,7 +1500,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 76,
    "metadata": {},
    "outputs": [
     {
@@ -2101,7 +1850,7 @@
        "<Dot visualization: expr_as_graph [(\"0\",{x,y|x:POW(Z) & δs(x, [0])=y})]>"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 76,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2134,21 +1883,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "ProB CLI: 1.9.0-nightly (6b5c5ef186e29710bc4c6a651339f67f972db657)\n",
-       "ProB 2: 3.2.12-SNAPSHOT (16945773c7a5d9b44c1061db2a89cdd9e1da3cc3)"
-      ]
-     },
-     "execution_count": 19,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     ":version"
    ]
@@ -2166,7 +1903,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 77,
    "metadata": {},
    "outputs": [
     {
@@ -2175,7 +1912,7 @@
        "Loaded machine: ChemicalElements"
       ]
      },
-     "execution_count": 26,
+     "execution_count": 77,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2195,7 +1932,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 78,
    "metadata": {},
    "outputs": [
     {
@@ -2204,7 +1941,7 @@
        "Machine constants set up using operation 0: $setup_constants()"
       ]
      },
-     "execution_count": 27,
+     "execution_count": 78,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2226,7 +1963,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 79,
    "metadata": {},
    "outputs": [
     {
@@ -2238,7 +1975,7 @@
        "118"
       ]
      },
-     "execution_count": 33,
+     "execution_count": 79,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2249,7 +1986,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": 80,
    "metadata": {},
    "outputs": [
     {
@@ -2498,7 +2235,7 @@
        "\"Zirconium\"\t\"Zr\"\t40\t\"91.224\"\n"
       ]
      },
-     "execution_count": 28,
+     "execution_count": 80,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2520,7 +2257,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 81,
    "metadata": {},
    "outputs": [
     {
@@ -2553,7 +2290,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 82,
    "metadata": {},
    "outputs": [
     {
@@ -2578,7 +2315,7 @@
        "\"Uranium\"\t\"238.0289\"\t\"Neptunium\"\t\"237.048\"\n"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 82,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -2654,7 +2391,6 @@
   }
  ],
  "metadata": {
-  "celltoolbar": "Slideshow",
   "kernelspec": {
    "display_name": "ProB 2",
    "language": "prob",