... So I concocted another approach, starting from a foundation as small as possible and defining a small set of bricks with which to build the data and control

... So I concocted another approach, starting from a foundation as small as possible and defining a small set of bricks with which to build the data and control structures common to all languages, which will always serve as a guide in their learning. You will forget lambdatalk, the language that accompanies me in this journey, but you will keep in mind some of the essential concepts that underlie the act of coding. At least I hope so. And if you are allergic to the "horizontal" format, in columns, click on the red "vertical" button at the top right of the screen.