03-XX Mathematical logic and foundations

• 03-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
• 03-01 Instructional exposition (textbooks, tutorial papers, etc.)
• 03-02 Research exposition (monographs, survey articles)
• 03-03 Historical (must be assigned at least one classification number from Section 01)
• 03-04 Explicit machine computation and programs (not the theory of computation or programming)
• 03-06 Proceedings, conferences, collections, etc.
• 03A05 Philosophical and critical {For philosophy of mathematics, see 00A30}
• 03Bxx General logic
• 03Cxx Model theory
• 03Dxx Recursion theory
• 03Exx Set theory [See also 04-XX]
• 03Fxx Proof theory and constructive mathematics
• 03Gxx Algebraic logic
• 03Hxx Nonstandard models [See also 03C62]