"In my opinion, it is nice to know this nice trick about reducing a set of independent primitives to only one, but this almost never has any practical applicati

"In my opinion, it is nice to know this nice trick about reducing a set of independent primitives to only one, but this almost never has any practical application." Also, NAND/NOR aren't "complex primitive", they're literally just primitives. You've never used any modern computer? I consider modern computers pretty useful; considering this "trick" backs everything we do with modern computers, I consider it pretty fundamental...