It seems like what you're arguing for is to identify the most generalized, broadly applicable subjects possible. And that makes sense. Learning to read and writ

It seems like what you're arguing for is to identify the most generalized, broadly applicable subjects possible. And that makes sense. Learning to read and write is probably the most obvious example, because it's about as broadly applicable a skill as one can imagine. The argument doesn't seem to apply very well to calculus though, does it?