Jawaher’s Reviews > How to Think Like a Mathematician: A Companion to Undergraduate Mathematics > Status Update

I already use most of these methods in solving mathematical problems

“Another example is that you should distinguish between a function and its value at a
point, that is, between f and f(x). The first represents a function which we have called
f, while f(x)is the value of the function f at x(see page 10). Strictly speaking, you
should not call f(x)a function, but this distinction is often ignored by mathematicians
who should know better (and that includes me)”

I’m having so fun