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margin: 0 0 0.5em 0.5em; text-align:left; border: 1px solid #009761; width:175px;"> <tbody><tr> <td style="font-size: 95%; text-align:center; color:White; background-color:#009761"><b>Cogito ergo sum</b><br /><a href="/wiki/Logic" title="Logic"><font size="4" color="White"><b>Logic and rhetoric</b></font></a> </td></tr> <tr> <td style="background-color:#FFFFFF;" align="center"><a href="/wiki/Category:Logic" title="Category:Logic"><img alt="Icon logic.svg" src="/w/images/thumb/9/99/Icon_logic.svg/100px-Icon_logic.svg.png" decoding="async" width="100" height="100" srcset="/w/images/thumb/9/99/Icon_logic.svg/150px-Icon_logic.svg.png 1.5x, /w/images/thumb/9/99/Icon_logic.svg/200px-Icon_logic.svg.png 2x" data-file-width="200" data-file-height="200" /></a> </td></tr> <tr> <td style="font-size: 95%; color:White; background-color:#009761; text-align:center;"><b>Key articles</b> </td></tr> <tr> <td style="font-size: 95%; background-color:#FFFFFF;"> <ul><li><a href="/wiki/Logical_fallacy" title="Logical fallacy">Logical fallacy</a></li> <li><a href="/wiki/Syllogism" title="Syllogism">Syllogism</a></li> <li><a href="/wiki/Argument" title="Argument">Argument</a></li></ul> </td></tr> <tr> <td style="font-size: 95%; color:White; background-color:#009761; text-align:center;"><b>General logic</b> </td></tr> <tr> <td style="font-size: 95%; background-color:#FFFFFF;"> <ul><li><a href="/wiki/Argument_from_authority" title="Argument from authority">Argument from authority</a></li> <li><a href="/wiki/Refuting" title="Refuting">Refuting</a></li> <li><a href="/wiki/Spider-Man_fallacy" title="Spider-Man fallacy">Spider-Man fallacy</a></li> <li><a href="/wiki/Formal_fallacy" title="Formal fallacy">Formal fallacy</a></li> <li><a href="/wiki/Not_all" title="Not all">Not all</a></li> <li><a href="/wiki/Media_was_wrong_before" title="Media was wrong before">Media was wrong before</a></li></ul> </td></tr> <tr> <td style="font-size: 95%; color:White; background-color:#009761; text-align:center;"><b>Bad logic</b> </td></tr> <tr> <td style="font-size: 95%; background-color:#FFFFFF;"> <ul><li><a href="/wiki/Quidquid_latine_dictum_sit,_altum_videtur" title="Quidquid latine dictum sit, altum videtur">Quidquid latine dictum sit, altum videtur</a></li> <li><a href="/wiki/Cherry_picking" title="Cherry picking">Cherry picking</a></li> <li><a href="/wiki/Gish_Gallop" title="Gish Gallop">Gish Gallop</a></li> <li><a href="/wiki/One-way_hash_argument" title="One-way hash argument">One-way hash argument</a></li> <li><a href="/wiki/Appeal_to_gravity" title="Appeal to gravity">Appeal to gravity</a></li> <li><a href="/wiki/Appeal_to_pity" title="Appeal to pity">Appeal to pity</a></li></ul> <div class="vte plainlinks" style="font-size:smaller; text-align:center;"><a href="/wiki/Template:Logicnav" title="Template:Logicnav">v</a> - <a href="/wiki/Template_talk:Logicnav" title="Template talk:Logicnav">t</a> - <a rel="nofollow" class="external text" href="https://rationalwiki.org/w/index.php?title=Template:Logicnav&action=edit">e</a></div> </td></tr></tbody></table> <table style="margin: auto; border-collapse:collapse; border-style:none; background-color:transparent;" class="cquote"> <tbody><tr> <td><div style="padding:4px 50px;position:relative;"><span style="position:absolute;left:10px;top:-6px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">“</span><span style="position:absolute;right:10px;bottom:-20px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">”</span>It is the mark of an educated mind to be able to <i>entertain</i> a thought without <i>accepting</i> it.</div> </td></tr> <tr> <td style="padding:4px 10px 8px;font-size:smaller;line-height:1.6em;text-align:right;"><cite style="font-style:normal;position:relative;z-index:2">—Attributed to <a href="/wiki/Aristotle" title="Aristotle">Aristotle</a></cite> </td></tr></tbody></table> <p>An <b>open mind</b> is a mind that is receptive to new ideas and information. It is often compared to a <b>closed mind</b>, which will reject ideas without <i>any</i> consideration. </p><p>While there is some philosophical validity to the distinction between open and closed minds, particularly in the case of <a href="/wiki/Empiricism" title="Empiricism">empiricism</a>, when used in an argument on the internet, it's almost always a form of whining. Being told to be "open minded" about something — like being made to listen to <a href="/wiki/Michelle_Malkin" title="Michelle Malkin">Michelle Malkin</a>, for example — is usually a <a href="/wiki/Code_word" title="Code word">code</a> for "you're not going to like this, but I think you should consider subjecting yourself to it anyway". Conversely, being told that you are "closed-minded" is generally a means of asserting that "I don't like the fact that you're proving me wrong, so I will pretend that your failure to agree with my argument is a philosophical deficiency". Being told that you are "closed-minded" simply shows that the one writing is confused about the difference between "open" and "fair" (or is simply lazy in their writing). </p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"><input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none" /><div class="toctitle" lang="en" dir="ltr"><h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span></div> <ul> <li class="toclevel-1 tocsection-1"><a href="#In_science"><span class="tocnumber">1</span> <span class="toctext">In science</span></a></li> <li class="toclevel-1 tocsection-2"><a href="#What_it_is_not"><span class="tocnumber">2</span> <span class="toctext">What it is not</span></a> <ul> <li class="toclevel-2 tocsection-3"><a href="#That_bloody_quote"><span class="tocnumber">2.1</span> <span class="toctext">That bloody quote</span></a></li> <li class="toclevel-2 tocsection-4"><a href="#That_other_bloody_quote"><span class="tocnumber">2.2</span> <span class="toctext">That other bloody quote</span></a></li> </ul> </li> <li class="toclevel-1 tocsection-5"><a href="#See_also"><span class="tocnumber">3</span> <span class="toctext">See also</span></a></li> <li class="toclevel-1 tocsection-6"><a href="#External_links"><span class="tocnumber">4</span> <span class="toctext">External links</span></a></li> <li class="toclevel-1 tocsection-7"><a href="#Notes"><span class="tocnumber">5</span> <span class="toctext">Notes</span></a></li> <li class="toclevel-1 tocsection-8"><a href="#References"><span class="tocnumber">6</span> <span class="toctext">References</span></a></li> </ul> </div> <h2><span class="mw-headline" id="In_science">In science</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=1" title="Edit section: In science">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <table style="margin: auto; border-collapse:collapse; border-style:none; background-color:transparent;" class="cquote"> <tbody><tr> <td><div style="padding:4px 50px;position:relative;"><span style="position:absolute;left:10px;top:-6px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">“</span><span style="position:absolute;right:10px;bottom:-20px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">”</span>I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as the facts are shown to be opposed to it.</div> </td></tr> <tr> <td style="padding:4px 10px 8px;font-size:smaller;line-height:1.6em;text-align:right;"><cite style="font-style:normal;position:relative;z-index:2">—<a href="/wiki/Charles_Darwin" title="Charles Darwin">Charles Darwin</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup></cite> </td></tr></tbody></table> <p>The <a href="/wiki/Scientific_method" title="Scientific method">scientific method</a> demands open-mindedness because it requires consistency with available data and <a href="/wiki/Evidence" title="Evidence">evidence</a>, regardless of where that leads. Sometimes evidence will lead to a conclusion that defies <a href="/wiki/Common_sense" title="Common sense">common sense</a>, which an otherwise closed mind would have trouble with. <a href="/wiki/Quantum_mechanics" title="Quantum mechanics">Quantum mechanics</a> is the most illustrative example of this process, as practically every aspect of quantum physics appears to defy ordinary common sense; <a href="/wiki/Electron#Duality" title="Electron">duality</a>, slit diffraction, and quantum entanglement are all completely at odds with the way that we have evolved to view the world. Without the open-mindedness to reject our common sense view of the world, some of the most complex and counter-intuitive science would be off-limits to human endeavour. </p><p>To make any advances in <a href="/wiki/Science" title="Science">science</a> and technology, new ideas need to be (and are) presented constantly. Through open-minded consideration of these new ideas and thorough studies of them, science can winnow out the bad ideas and keep the good ones. (Weak ideas shall perish!) A closed-minded researcher, unwilling to consider alternatives to their own pet <a href="/wiki/Theory" title="Theory">theory</a> or <a href="/wiki/Hypothesis" title="Hypothesis">hypothesis</a>, will not advance very far or contribute much to science. </p><p>Science is often accused of being "closed-minded". Almost without exception, this is code for "scientists won't blindly accept <a href="/wiki/WOMBAT" title="WOMBAT">my crackpot idea</a>". It's certainly not a matter of closed-mindedness and unwillingness that these ideas aren't accepted by the scientific community, because the individuals within it have a lot of motivation to prove each other wrong. In writing a scientific article, this is known as <a href="/wiki/Peer_review" title="Peer review">peer review</a>; in experimental science, people must be able to replicate one's results, within the limits imposed by inherent limitation of equipment. There would be money and fame in a scientist showing, with the evidence to back it up and convince the rest, things such as the existence of <a href="/wiki/Ghosts" class="mw-redirect" title="Ghosts">ghosts</a>, the (non-placebo) workings of <a href="/wiki/Homeopathy" title="Homeopathy">homeopathy</a>, or even a <a href="/wiki/YEC" class="mw-redirect" title="YEC">young earth</a>. Often proponents of <a href="/wiki/Woo" title="Woo">woo</a> cry that science hasn't taken them seriously and has refused to do the research, imploring scientists and skeptics to "have an open mind". This is blatantly false; science has very often tried out these ideas or trialed that piece of alternative medicine, it's just that the <a href="/wiki/Reality" title="Reality">results</a> have come back negative, or that the idea has been proposed and disproved before. Consequently, accusing someone of being closed-minded is very often — but <i>not</i> always — an indication that the accuser themselves is the one who is closed-minded. </p> <h2><span class="mw-headline" id="What_it_is_not">What it is not</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=2" title="Edit section: What it is not">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <div class="thumb tright"><div class="thumbinner" style="width:174px;"><a href="/wiki/File:Open_mind.jpg" class="image"><img alt="" src="/w/images/0/0d/Open_mind.jpg" decoding="async" width="172" height="232" class="thumbimage" data-file-width="172" data-file-height="232" /></a> <div class="thumbcaption"><div class="magnify"><a href="/wiki/File:Open_mind.jpg" class="internal" title="Enlarge"></a></div>"The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it." (<a href="/wiki/Terry_Pratchett" title="Terry Pratchett">Terry Pratchett</a>, <i>Truckers</i>)</div></div></div> <table style="margin: auto; border-collapse:collapse; border-style:none; background-color:transparent;" class="cquote"> <tbody><tr> <td><div style="padding:4px 50px;position:relative;"><span style="position:absolute;left:10px;top:-6px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">“</span><span style="position:absolute;right:10px;bottom:-20px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">”</span>Suppose you are a chef, cooking soup for two hundred diners. You say to yourself ‘Well, I know if I put <a href="/wiki/Arsenic" title="Arsenic">arsenic</a> in this soup it’ll kill everyone. But hey! Gotta be open-minded!’ And you go ahead and add the deadly metalloid to the <a href="/wiki/Goat" title="Goat">goats</a>’ cheese crostini and float it atop the watercress and mint broth. Are you being open-minded or… just ignoring important information?</div> </td></tr> <tr> <td style="padding:4px 10px 8px;font-size:smaller;line-height:1.6em;text-align:right;"><cite style="font-style:normal;position:relative;z-index:2">—<a href="/wiki/Derren_Brown" title="Derren Brown">Derren Brown</a></cite> </td></tr></tbody></table> <p>All that open-mindedness requires is that one considers an idea or proposal and does not reject it outright <i>before</i> any considerations or evaluations are made. Having an open mind does not mean <i>accepting</i> any new idea as true as soon as it is presented. If you consider an idea, and then reject it based on evidence or similar criteria, you do not have a closed mind. Lack of an "open mind", based on the misunderstanding between <i>consideration</i> and <i>acceptance</i> of new ideas, is therefore a common but groundless criticism of skeptics. Skeptical open-mindedness differs from <a href="/wiki/Credulous" class="mw-redirect" title="Credulous">credulous</a> open-mindedness in that the skeptic has effective mechanisms for assessing ideas and rejecting those that are found wanting.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2">[note 1]</a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3">[note 2]</a></sup> </p><p>Usually, and quite ironically, people who go around accusing others of being closed-minded <a href="/wiki/Psychological_projection" title="Psychological projection">are actually more closed-minded themselves</a>. A <a href="/wiki/Conspiracy_theorist" class="mw-redirect" title="Conspiracy theorist">conspiracy theorist</a>, for example, may say "no one can convince me that the <a href="/wiki/9/11_conspiracy_theories" class="mw-redirect" title="9/11 conspiracy theories">World Trade Center</a> wasn't blown up by the government"<sup id="cite_ref-4" class="reference"><a href="#cite_note-4">[note 3]</a></sup> or a similar phrase. This is a clear example of a closed mind: a mind unwilling to accept that, perhaps, everything about an event was actually how it was officially presented — without <a href="/wiki/Alien" class="mw-redirect" title="Alien">aliens</a>, <a href="/wiki/Reptilian" class="mw-redirect" title="Reptilian">reptilian humanoids</a>, government plots, second gunmen, <a href="/wiki/Illuminati" title="Illuminati">Illuminati</a>, men in black, and so on. This archetypal conspiracy theorist will then go on to accuse anyone who rejects their crackpot ideas of being closed-minded. This sort of thing is, unfortunately, extremely common. </p> <h3><span class="mw-headline" id="That_bloody_quote">That bloody quote</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=3" title="Edit section: That bloody quote">edit</a><span class="mw-editsection-bracket">]</span></span></h3> <p>If you hang around in skeptic circles, sooner or later you'll hear (or more probably, read) a variation of the following: </p> <table style="margin: auto; border-collapse:collapse; border-style:none; background-color:transparent;" class="cquote"> <tbody><tr> <td><div style="padding:4px 50px;position:relative;"><span style="position:absolute;left:10px;top:-6px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">“</span><span style="position:absolute;right:10px;bottom:-20px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">”</span>Keep an open mind – but not so open that your brain falls out.</div> </td></tr> <tr> <td style="padding:4px 10px 8px;font-size:smaller;line-height:1.6em;text-align:right;"><cite style="font-style:normal;position:relative;z-index:2">—Origin unknown, attributed to (and used by) various people;<br />dates at least back to 1937.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5">[2]</a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6">[3]</a></sup></cite> </td></tr></tbody></table> <p>As Pedantic, Humorless Rationalists™, we'd like to point out that a mind is not a skull and the phrase <a href="/wiki/Not_even_wrong" title="Not even wrong">doesn't make any sense</a>. So, please, don't repeat it mindlessly. </p><p>It makes sense at this point to offer a possibly better alternative: <i>Keep your mind open, but not so open that just anything can move in and set up housekeeping.</i> </p> <h3><span class="mw-headline" id="That_other_bloody_quote">That other bloody quote</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=4" title="Edit section: That other bloody quote">edit</a><span class="mw-editsection-bracket">]</span></span></h3> <table style="margin: auto; border-collapse:collapse; border-style:none; background-color:transparent;" class="cquote"> <tbody><tr> <td><div style="padding:4px 50px;position:relative;"><span style="position:absolute;left:10px;top:-6px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">“</span><span style="position:absolute;right:10px;bottom:-20px;z-index:1;font-family:'Times New Roman',serif;font-weight:bold;color:#B2B7F2;font-size:36px">”</span>A mind is like an umbrella — it works best when it's open.</div> </td></tr> <tr> <td style="padding:4px 10px 8px;font-size:smaller;line-height:1.6em;text-align:right;"><cite style="font-style:normal;position:relative;z-index:2">—attrib. James Jeans, Max Gropius. Take your pick</cite> </td></tr></tbody></table> <p>The riposte to this annoying pseudo-aphorism is that an umbrella only needs to be open under certain circumstances. At other times, e.g. any time you're indoors, an open umbrella is a bloody nuisance. </p><p>This quote works better if you remember that the function of an umbrella is to <i>keep stuff away from you</i> (commonly rainwater), <b>not</b> to collect stuff, and in that sense, it only works when it is indeed open (i.e., when the deflective device is in a position to actually deflect stuff you don't want touching you). </p> <h2><span class="mw-headline" id="See_also">See also</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=5" title="Edit section: See also">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <ul><li><a href="/wiki/Pseudoskepticism" title="Pseudoskepticism">Pseudoskepticism</a></li> <li><a href="/wiki/Essay:Quantifying_Openmindedness" title="Essay:Quantifying Openmindedness">Essay:Quantifying Openmindedness</a> - A look at <a href="/wiki/Andrew_Schlafly" title="Andrew Schlafly">Andrew Schlafly</a>'s "open mindedness test".</li></ul> <h2><span class="mw-headline" id="External_links">External links</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=6" title="Edit section: External links">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <ul><li><a rel="nofollow" class="external text" href="http://www.youtube.com/watch?v=RFO6ZhUW38w">If You Open Your Mind Too Much...</a>, <a href="/wiki/Tim_Minchin" title="Tim Minchin">Tim Minchin</a>'s take on the question (Take His Wife!)</li> <li><a rel="nofollow" class="external text" href="http://freethoughtblogs.com/axp/2012/05/15/closed-minded-the-phrase-that-loses-every-argument/">“Closed-minded”: the phrase that loses every argument</a> by Martin Wagner, The Atheist Experience</li> <li><a rel="nofollow" class="external text" href="https://www.csicop.org/SI/show/open_minds_and_the_argument_from_ignorance">Jonathan E. Adler's essay on the subject, over at the Committee for Sceptical Inquiry</a></li></ul> <h2><span class="mw-headline" id="Notes">Notes</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=7" title="Edit section: Notes">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <div class="references-small" style="font-size:90%;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Or, if your preferences run to vivid metaphors, the difference is that they will both take a taste of anything, within reasonable limits; but the credulous person will swallow what the skeptic will spit out.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Or, if you prefer your metaphors extended, think of scepticism as a healthy cognitive immune system, both credulity and cynicism as different forms of compromised cognitive immune system, and <a href="/wiki/Pyrrhonism" title="Pyrrhonism">rejection of the very notion of truth and knowledge</a> as a cognitive autoimmune disorder.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">Contrast the cynical phrase "I'll <i>never</i> believe it" with the skeptical phrase "I'll believe it <i>when I see it</i>" to see that there is nothing closed-minded about being a skeptic.</span> </li> </ol></div></div> <h2><span class="mw-headline" id="References">References</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Open_mind&action=edit&section=8" title="Edit section: References">edit</a><span class="mw-editsection-bracket">]</span></span></h2> <div class="references-small" style="font-size:90%;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.srmhp.org/archives/quotes-pseudoscience.html">"Quotes, Stories, and Bon Mots related to Pseudoscience & Mistaken Pronouncements"</a>. <i>Scientific Review of Mental Health Practice</i>.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.skeptic.com/insight/open-mind-brains-fall-out-maxim-adage-aphorism/">A Skeptical Maxim (May) Turn 75 This Week</a> by Tim Farley (Nov. 04, 2014) <i>Skeptic</i>.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://quoteinvestigator.com/2014/04/13/open-mind/">Do Not Be So Open-Minded That Your Brains Fall Out</a> (April 13, 2014) <i>Quote Investigator</i>.</span> </li> </ol></div></div>    </div></div><div class="printfooter">Retrieved from "<a dir="ltr" href="https://rationalwiki.org/w/index.php?title=Open_mind&oldid=2670229">https://rationalwiki.org/w/index.php?title=Open_mind&oldid=2670229</a>"</div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Bronze-level_articles" title="Category:Bronze-level articles">Bronze-level articles</a></li><li><a href="/wiki/Category:Logic" title="Category:Logic">Logic</a></li><li><a href="/wiki/Category:Evaluating_arguments" title="Category:Evaluating arguments">Evaluating arguments</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a href="/wiki/Category:Pages_using_DynamicPageList_parser_function" 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