Liste des Groupes | Revenir à s math |
In order to secure the existance of "infinite" sets, we still need the following axioms.Almost correct, but only singular: we still need the following axiom.
There is no mention of "induction" in the statement.The following axiom is the axiom of induction. The set Z contains the empty set as an element and with every element a also the element {a}.
Les messages affichés proviennent d'usenet.