EntityQ3267775· pop 18· linked from 44 articlesproof that π is irrationalSign in to savemathematical proofConnectionsLindemann–Weierstrass theoremEntityIvan M. NivenEntitysine and cosineEntityCarl Friedrich GaussEntityPiConceptInternational Standard Book NumberEntitynatural numberEntityintegerEntityUniversity of CambridgeEntitycalculusEntitySrinivasa RamanujanEntityfractionEntitydigital object identifierEntityAryabhataEntityirrational numberEntitypolynomialEntitymathematical inductionEntityPi DayEntitygamma functionEntityJSTOREntityCategoriesArticle proofsIrrational numbersPi