16/06/04 05:09:39.74 CtkyGlEO.net
>>339
>「無限公理」
これは、英文だが。>>335 渕野昌先生の記事にも出てくるので
URLﾘﾝｸ(en.wikipedia.org)
Axiom of infinity
(抜粋)
Independence
The axiom of infinity cannot be derived from the rest of the axioms of ZFC, if these other axioms are consistent.
Nor can it be refuted, if all of ZFC is consistent.
Indeed, using the Von Neumann universe, we can make a model of the axioms where the axiom of