For Kronecker, Cantor's hierarchy of infinities was inadmissible, since accepting the concept of actual infinity would open the door to paradoxes which would challenge the validity of mathematics as a whole.
Para Kronecker, a xerarquía de infinitos de Cantor era inadmisible, xa que a aceptación da idea do infinito actual abriría as portas a paradoxos que cuestionarían a validez da matemática coma un todo.