However, to be evaluated, he must request the evaluation, an act that is considered sufficient proof for being declared sane.These conditions make it impossible to be declared "unfit".At one point, Captain Black attempts to press Milo into depriving Major Major of food as a consequence of not signing a loyalty oath that Major Major was never given an opportunity to sign in the first place.Captain Black asks Milo, "You're not against Catch-22, are you?Yossarian was moved very deeply by the absolute simplicity of this clause of Catch-22 and let out a respectful whistle. For example, in the first chapter, it requires Yossarian to sign his name to letters that he censors while he is confined to a hospital bed.Different formulations of "Catch-22" appear throughout the novel. One clause mentioned in chapter 10 closes a loophole in promotions, which one private had been exploiting to reattain the attractive rank of Private First Class after any promotion.Heller originally wanted to call the phrase (and hence, the book) by other numbers, but he and his publishers eventually settled on 22.The number has no particular significance; it was chosen more or less for euphony.
Therefore, Catch-22 ensures that no pilot can ever be grounded for being insane even if he is.
In a 1998 editorial co-authored by Marcia Angell, a former editor of the New England Journal of Medicine, argued that: "It is time for the scientific community to stop giving alternative medicine a free ride.
There cannot be two kinds of medicine – conventional and alternative.
Catch-22s often result from rules, regulations, or procedures that an individual is subject to, but has no control over, because to fight the rule is to accept it.
Another example is a situation in which someone is in need of something that can only be had by not being in need of it (e.g, a bank will never issue someone a loan if they need the money).