How do I prove that a function is well defined?
Posted by Kasper, at math.stackexchange.com,
How do you in general prove that a function is well-defined? $$f:X\to Y:x\mapsto f(x)$$ I learned that I need to prove that…
How do you in general prove that a function is well-defined? $$f:X\to Y:x\mapsto f(x)$$ I learned that I need to prove that…
I realize this question is long and quite personal but any help will be greatly appreciated. I'm a senior high school student.