This is learning content by Victor Porton, the person who discovered ordered semigroup actions (and wrote 500 pages about them), a theory as general as group theory but unknown before. Victor Porton is a programming languages polyglot, author of multitudinous softwares and programming libraries, blockchain expert and winner of multitudinous blockchain hackathons, author of several books, a philosopher.
Victor currently works as a software development freelancer.
-- Victor Porton, Shay Agnon 32-29, Ashkelon, Israel