EntityQ1200755· pop 5· linked from 43 articlesdescriptive complexity theorySign in to savebranch of mathematical logicConnectionsPEntitypolynomial hierarchyEntitytransitive closureEntitysecond-order logicEntityMoshe VardiEntitylogicEntityInternational Standard Book NumberEntityfunctionEntitydigital object identifierEntityInternational Standard Serial NumberEntityOCLC, Inc.EntitysubsetEntityformal languageEntity𝑛-tupleEntitycomputational complexity theoryEntityfirst-order logicEntityQ22908627EntitytetrationEntityformal systemEntityuniversal quantificationEntityCategoriesComputational complexity theoryDescriptive complexityFinite model theory