Re: modal scope fallacy
- From: Peter_Smith <ps218@xxxxxxxxx>
- Date: Mon, 16 Jul 2007 05:10:59 -0700
Compare:
Necessarily, if A knows that p, then p
with
If A knows that p, then necessarily p.
The first true, the second false. Or at the very least: the first is a
triviality on any standard account of what "knows" means: the second
is the highly tendentious claim that we can only know necessary truths
(i.e. can't know contingent truths). So they are two very different
claims here.
===
logicmatters.blogspot.com
.
- References:
- modal scope fallacy
- From: michalchik@xxxxxxx
- Re: modal scope fallacy
- From: Frederick Williams
- Re: modal scope fallacy
- From: michalchik@xxxxxxx
- modal scope fallacy
- Prev by Date: Re: Question about extensions of PA
- Next by Date: Re: The point of ur-elements
- Previous by thread: Re: modal scope fallacy
- Next by thread: Re: modal scope fallacy
- Index(es):