Let, be a real valued function definited for all reals. Proof (or disproof) that is there exists a function such as is true for all reals. Then, is always true.
Let be a sigmoid function something like the cumulativeOriginally Posted by ThePerfectHacker
normal functiom, then is mapped one one onto
, and so there is an inverse function from
Then holds for all but not for all
That is the domains of and are not equal.