On Monday, April 22, 2013 2:06:29 PM UTC-4, telmo_menezes wrote: > > > > On 22 avr. 2013, at 19:14, Craig Weinberg <[email protected]<javascript:>> > wrote: > > A quote from someone on Facebook. Any comments? > > "Computers can only do computations for rational numbers, not for real >> numbers. Every number in a computer is represented as rational. No computer >> can represent pi or any other real number... So even when consciousness can >> be explained by computations, no computer can actually simulate it." > > > Of course it can, the same way it represents the letter A, as some > sequence of bits. And it can perform symbolic computations with it. It can > calculate pi/2 + pi/2 = pi and so on. >
It's not representing pi with A though, it's representing a digital sequence which is arbitrarily truncated or rounded off at some point. It is not pi, but pi-ish. > > > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected]<javascript:> > . > Visit this group at http://groups.google.com/group/everything-list?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
