Specifically intended for 𝒫″, the language developed by Corrado Böhm in 1964 to describe a family of Turing machines. This language inspired an obfuscated dialect titled "brainfuck," which includes two additional commands.

So what exactly is 𝒫″ anyways? Well, it's a language created by mathematician Corrado Böhm in 1964 to describe ℬ″, a Turing machine with left-infinite tape.