Booleans? I think some guy named Boole might have prior art...
(Yeah, OK, he didn't have a programming language...)
booleans as values of course.
arguably redundant since GP did say symbolic communication, but Lisp had T before Algol 60 came out
alt Hacker News
booleans as values of course.
arguably redundant since GP did say symbolic communication, but Lisp had T before Algol 60 came out