1. References

In the mathematical discipline of descriptive set theory, a coanalytic set is a set (typically a set of real numbers or more generally a subset of a Polish space) that is the complement of an analytic set (Kechris 1994:87). Coanalytic sets are also referred to as sets (see projective hierarchy).

References

• {{citation | authorlink=Alexander Kechris | author=Kechris, Alexander S. | title=Classical Descriptive Set Theory | publisher=Springer-Verlag | year=1994 | isbn=0-387-94374-9}}

• Hierarchic organizations
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• Hierarchy of Influences
• Hierarchy of Language Classes
• Hierarchy of modules
• Hierarchy of standards
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• Hierarchy of the sciences
• Hierarchy of the Ukrainian Greek Catholic Church
• Hiera (Thera)
• Hieratic writing
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