## Mathematical Subject Classification – MSC2010

General reference works (handbooks, dictionaries, bibliographies, etc.) 90

Instructional exposition (textbooks, tutorial papers, etc.) 1559

Research exposition (monographs, survey articles) 2255

Explicit machine computation and programs (not the theory of computation or programming) 171

Subsystems of classical logic (including intuitionistic logic) 1375

Logics of knowledge and belief (including belief change) 1526

Modal logic (including the logic of norms) [For knowledge and belief, see 03B42; for temporal logic, see 03B44; for provability logic, see also 03F45] 6570

Substructural logics (including relevance, entailment, linear logic, Lambek calculus, BCK and BCI logics) [For proof-theoretic aspects see 03F52] 994

Models with special properties (saturated, rigid, etc.) 497

Nonclassical models (Boolean-valued, sheaf, etc.) 393

Complexity of computation (including implicit computational complexity) [See also 68Q15, 68Q17] 2619

Recursively (computably) enumerable sets and degrees 1624

Theory of numerations, effectively presented structures [See also 03C57; for intuitionistic and similar approaches see 03F55] 1216

Other classical set theory (including functions, relations, and set algebra) 1410

Provability logics and related algebras (e.g., diagonalizable algebras) [See also 03B45, 03G25, 06E25] 195

Other applications of nonstandard models (economics, physics, etc.) 179