Catch-22 is a military term that is difficult to describe. In
short, its basic meaning is that if there is a rule, no matter what the rule
is, there is always an exception to it. It is a mysterious regulation that
is in essence a circular argument. This catch keeps Yossarian in the war because
a concern for one's own life proved that he is not really crazy, and to get
out of combat you have to be crazy. The catch is used by the superior powers
to uphold and increase their power, and yet it is harmful to those who do
not have power in the first place. It creates situations where, when you think
everything is perfect, Catch-22 pops up and makes your plans impossible.
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