diff --git a/00_start_up.ipynb b/00_start_up.ipynb
index 588d7ab..7551dcd 100644
--- a/00_start_up.ipynb
+++ b/00_start_up.ipynb
@@ -295,15 +295,7 @@
      "slide_type": "slide"
     }
    },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Hello world\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "print(\"Hello world\")"
    ]
@@ -316,7 +308,7 @@
     }
    },
    "source": [
-    "Sometimes a code cell starts with an exclamation mark `!`. Then, the Jupyter notebook behaves as if you just typed the following commands right into a terminal. The cell below asks `python` to show its version number. This is actually *not* Python code but a command in the [Shell](https://en.wikipedia.org/wiki/Shell_script) language. The `!` is useful to execute short commands without leaving a Jupyter notebook."
+    "Sometimes a code cell starts with an exclamation mark `!`. Then, the Jupyter notebook behaves as if you just typed the following command right into a terminal. The cell below asks `python` to show its version number. This is actually *not* Python code but a command in the [Shell](https://en.wikipedia.org/wiki/Shell_script) language. The `!` is useful to execute short commands without leaving a Jupyter notebook."
    ]
   },
   {
@@ -671,7 +663,7 @@
     }
    },
    "source": [
-    "### The ABC Rule"
+    "### ABC Rule"
    ]
   },
   {
@@ -728,7 +720,7 @@
     }
    },
    "source": [
-    "### Phase Iteration - The $\\pi$ Rule"
+    "### Phase Iteration"
    ]
   },
   {
@@ -756,7 +748,7 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "skip"
     }
    },
    "source": [
@@ -767,39 +759,38 @@
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "skip"
     }
    },
    "source": [
     "**Part 1: Expressing Logic**\n",
     "\n",
-    "- What is a programming language?\n",
-    "  1. Structure of a Program\n",
-    "- What kind of words exist?\n",
-    "  2. Variables, Expressions, Statements, & Comments\n",
-    "  3. Functions\n",
-    "- How can we form sentences from words?\n",
-    "  4. Conditionals\n",
-    "  5. Iteration"
+    "- What is a programming language? What kind of words exist?\n",
+    "  1. Elements of a Program\n",
+    "  2. Functions & Modularization\n",
+    "- What is the flow of execution? How can we form sentences from words?\n",
+    "  3. Boolean Logic & Conditionals\n",
+    "  4. Recursion & Looping"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {
     "slideshow": {
-     "slide_type": "slide"
+     "slide_type": "skip"
     }
    },
    "source": [
-    "**Part 2: Managing Data**\n",
+    "**Part 2: Managing Data and Memory**\n",
     "\n",
     "- How is data stored in memory?\n",
-    "  6. Numbers\n",
-    "  7. Text\n",
-    "  8. Sequences\n",
-    "  9. Mappings & Sets\n",
+    "  5. Numbers\n",
+    "  6. Text\n",
+    "  7. Sequences\n",
+    "  8. Mappings & Sets\n",
+    "  9. Arrays\n",
     "- How can we create our own data types?\n",
-    "  10. Classes & Instances"
+    "  10. Object-Orientation"
    ]
   },
   {
@@ -821,7 +812,7 @@
     }
    },
    "source": [
-    "As with every good lecture, there always has to be a [xkcd](https://xkcd.com/353/) comic somewhere."
+    "As with every good lecture, there has to be a [xkcd](https://xkcd.com/353/) comic somewhere."
    ]
   },
   {