<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Jul 6, 2026 at 6:37 AM Ben Zaiboc via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:<br></div><div dir="ltr" class="gmail_attr"><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">A<i><font face="georgia, serif" size="4"> question for Brent:<br>
<br>
These 'fundamental physical qualities' that you believe in, how do they relate to what I said about 'red' being a category of colours rather than an actual colour?<br>
<br>
Do you think there's a different 'quality' for each of the thousands of different reds that we can see, or just one kind of 'essence of red' quality that applies to them all?</font></i><br></blockquote><div><br></div><div><font size="4" face="tahoma, sans-serif"><b>If something with <span class="gmail_default" style="">the "red quality" is illuminated with blue light it will subjectively look black, does it still have the red quality or does it now have the black quality? </span></b></font></div><div><font size="4" face="tahoma, sans-serif"><b><br></b></font></div><div><font size="4" face="tahoma, sans-serif"><b><span class="gmail_default" style="">John K Clark</span> </b></font></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
-- <br>
Ben<br>
<br>
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