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Tech Head - The Technology Section
Einstein's Alcove
devil's advocate: replacator ?
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<blockquote data-quote="spiney" data-source="post: 184018" data-attributes="member: 192438"><p>Yes, CH, Bronking, cavorite "appeared" here because somebody (?) thought it was possible! I've repeatedly pointed out that is isn't - and explained why and given relevant links in exhaustive detail - but this is just ignored. If you can't be bothered to find out for yourself what a conservative field is, and why thermodynamics is entirely relevant, then you will not understand and I can explain nothing!</p><p></p><p>A self-contradiction is impossible. Not because "forbidden", but because it doesn't mean anything! So there's no possibility of being able to "point to" a self contradictory object in the universe (since it can't exist, there's nothing to point at!), or discuss such a thing (because the concept has no meaning, no actual content!).</p><p></p><p>This is also true where scientific theories themselves involve a self contradiction, eg Cavorite, perpetual motion, "perfect" replication, etc. However, it may not apply if something is not self-contradictory, and particualr things could become possible via yet unknown technologies.</p><p></p><p>(Ignore that stuff about ftl being impossible; unfortuately physicists are usually very poor amateur philosphers!).</p><p></p><p>From the time of aristotle, it's been known that the law of the "excluded middle" always holds, the alternative being self-contradiction. The only exception to this was Wittgenstein, who later on claimed that contradictions in maths didn't matter, (after he'd abandoned logic altogether), but he was just plain wrong.</p><p></p><p>See: <a href="http://en.wikipedia.org/wiki/Excluded_middle" target="_blank">http://en.wikipedia.org/wiki/Excluded_middle</a> .</p><p></p><p>You can say "I've just invented the round square", but of course nobody will ever believe you, because it's impossible!</p></blockquote><p></p>
[QUOTE="spiney, post: 184018, member: 192438"] Yes, CH, Bronking, cavorite "appeared" here because somebody (?) thought it was possible! I've repeatedly pointed out that is isn't - and explained why and given relevant links in exhaustive detail - but this is just ignored. If you can't be bothered to find out for yourself what a conservative field is, and why thermodynamics is entirely relevant, then you will not understand and I can explain nothing! A self-contradiction is impossible. Not because "forbidden", but because it doesn't mean anything! So there's no possibility of being able to "point to" a self contradictory object in the universe (since it can't exist, there's nothing to point at!), or discuss such a thing (because the concept has no meaning, no actual content!). This is also true where scientific theories themselves involve a self contradiction, eg Cavorite, perpetual motion, "perfect" replication, etc. However, it may not apply if something is not self-contradictory, and particualr things could become possible via yet unknown technologies. (Ignore that stuff about ftl being impossible; unfortuately physicists are usually very poor amateur philosphers!). From the time of aristotle, it's been known that the law of the "excluded middle" always holds, the alternative being self-contradiction. The only exception to this was Wittgenstein, who later on claimed that contradictions in maths didn't matter, (after he'd abandoned logic altogether), but he was just plain wrong. See: [URL="http://en.wikipedia.org/wiki/Excluded_middle"]http://en.wikipedia.org/wiki/Excluded_middle[/URL] . You can say "I've just invented the round square", but of course nobody will ever believe you, because it's impossible! [/QUOTE]
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Einstein's Alcove
devil's advocate: replacator ?
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