FOM: V=L and large sets
Kanovei
kanovei at wmfiz4.math.uni-wuppertal.de
Sat Apr 29 05:12:25 EDT 2000
>Date: Fri, 28 Apr 2000 08:58:10
>To: fom at math.psu.edu
>From: Colin McLarty <cxm7 at po.cwru.edu>
>Subject: FOM: V=L and large sets
>I believe you can say in ZFC: "o is an ordinal and the set
>V(o) has a forcing extension which models ZFC+(there is a measurable)"
This you can say (you have just said it by an entirely
legitimate sentence in the language of ZFC), but perhaps
this is not what you are looking for. Indeed L does not
have any generic extension with measurable cardinals,
even if some o in L *is* a measurable cardinal in a
(necessarily non-generic) extension of L.
V.Kanovei
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