EntityQ5548813· pop 5· linked from 63 articlesHeyting arithmeticSign in to saveaxiomatization of arithmeticConnectionsKurt GödelEntitymathematical inductionEntityLuitzen Egbertus Jan BrouwerEntityArend HeytingEntityprimitive recursive functionEntitythree-state logicEntitynatural numberEntitydigital object identifierEntitybinary numeral systemEntitytheoremEntitymathematical logicEntityrecursionEntityQ118398EntityGoldbach's conjectureEntityGödel's incompleteness theoremsEntityDiophantine equationEntityAlonzo ChurchEntityDe Morgan's lawsEntityfuzzy logicEntityStanford Encyclopedia of PhilosophyEntityCategoriesConstructivism (philosophy of mathematics)Formal theories of arithmeticIntuitionism