EntityQ422187· pop 15· linked from 20 articlesMyhill–Nerode theoremSign in to savetheoremConnectionsInternational Standard Book NumberEntitydigital object identifierEntityUniversity of ChicagoEntityJSTOROrganizationequivalence relationEntityformal languageEntitytheoretical computer scienceEntityQ22908627EntitycorollaryEntitynecessity and sufficiencyEntityJohn Edward HopcroftEntityHandle SystemEntityequivalence classEntityJeffrey David UllmanEntitydeterministic finite automataEntityregular languageEntityempty stringEntitypumping lemma for regular languagesEntityproof by exhaustionEntityDFA minimizationEntityCategoriesFinite-state machinesFormal languagesTheorems in discrete mathematics