= List of forcing notions
{wiki=List_of_forcing_notions}
In set theory, particularly in the context of forcing, a "forcing notion" is a mathematical structure used to extend models of set theory. Forcing was introduced by Paul Cohen in the 1960s as a method to prove the independence of the continuum hypothesis and the axiom of choice, among other results. A list of forcing notions typically includes various types of forcing that have been studied or are commonly used in set theory.
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