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Reasoning and Logic

07/20/2011 4:47 PM

After years of listening to members with widely opposing viewpoints on CR4, and hearing the arguments presented as "proof"... I thought the science of Logic would be an interesting subject. Here is a list of types of Faulty Reasoning that some of us might occasionally, inadvertently be guilty of. It comes from HCC Writer's Handbook. Chapter 18. Logical Fallacies. By Giovanna Fogli.

Types of Fallacies

Affirming the consequent: (already mentioned in our discussion of conditional syllogism, but included here as well as a very frequent kind of problematic reasoning): In an if clause the 'if' part is called 'antecedent' and the 'then' part 'consequent' - to affirm the validity/truth of the antecedent based on evidence supporting the consequent is to commit a fallacy. E.g.: "If she's an Opera Singer, she sings well. She does sing well. Therefore she is an Opera Singer." However, she might be a pop singer or not a singer at all.

Hasty generalization: faulty reasoning due to jumping to a generalized conclusion drawn with not enough necessary evidence. E.g., "Smoking is deadly. My uncle smoked and he died of lung cancer": smoking might indeed be deadly, but the death of your uncle alone is not sufficient evidence. Or, "Last year I took Logic and I got a C. So did my friend and my roommate. It is impossible to get an A in Logic!" Logic might indeed be difficult, but the fact that you and your roommate did not get an A does not make it impossible for others.

Faulty causality: (Post hoc/propter hoc "After this, therefore because of this"): a sequence of events is improperly turned into a causal chain (just because event A happens before event B, we cannot hastily infer that B happens because of A). E.g., "Protestantism is an imperialistic religion. Right after the Protestant Reformation, Europe became imperialistic."

Continue reading the list of fallacies here: https://eee.uci.edu/programs/humcore/Student/WritersHandbook/Ch18_LogicalFallacies_Fogli.html

CR4 Admin: Modified Post

Copyright Violation: Reduced copied text according to copyright law. Please see Section 12 of the CR4 FAQ about posting copyrighted material.

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#1

Re: Reasoning and Logic

07/20/2011 5:11 PM

The only thing I can say is that I got impressed! Now, I have to sit down an read it slowly....

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#2

Re: Reasoning and Logic

07/20/2011 5:17 PM

Good topic but I seem to drift off before the list of 17 types sinks in. If I recall correctly my logic class used a book by someone named Copi (might not be correct). I think he distilled the list down to about 5 types of fallacies. I'm sure the above list is good and correct, but a list of 5 was easier to grasp on a single reading.

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#5
In reply to #2

Re: Reasoning and Logic

07/20/2011 5:26 PM

I agree. But I find that once you get past the first 4 or 5, which are very wordy and slightly confusing, the rest of the list is pretty straight forward and clearer.

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#3

Re: Reasoning and Logic

07/20/2011 5:20 PM

Logic and Reason.... Things that rarely exist anymore.

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#4

Re: Reasoning and Logic

07/20/2011 5:24 PM

I've seen "straw man" and "either-or" quite frequently.

Straw Man is particularly frustrating to listen to. It's like someone putting words in your mouth. The point you were making is buried by the distraction inserted into the argument.

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#10
In reply to #4

Re: Reasoning and Logic

07/20/2011 5:55 PM

How ironic. No sooner do I mention the "straw man" fallacy in the post above... than it happens to me in another thread.

Here is an example of straw man, if you're interested. Post 121 and 122:

http://cr4.globalspec.com/comment/754192/Re-A-Net-to-Catch-Falling-Sports-Fans

(not sure if I made that an active link, properly)

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#19
In reply to #10

Re: Reasoning and Logic

07/20/2011 7:44 PM

Is there a term for going after another member in a different thread.

At least you started one instead of hijacking someone else's.

I can assure you, AH is not in a gang. He doesn't spend much time on foolishness. And if you want to debate him, you'd better sharpen your pencil. I've tried.....................somehow I never walked away feeling like I had won.

Sometimes AH and I agree, sometimes we don't. Nobody here is unworthy of anyone else's respect. No opinion is more important, or less important, than anyone else's.

They are opinions.

When the bickerers start making demands, this moderation team comes in.

Then it's really not fun.

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#20
In reply to #19

Re: Reasoning and Logic

07/20/2011 8:08 PM

What are you talking about? You got all of that, out of me pointing to one of his comments as an example of something cited in this thread? Wow.

For one, his comment is in fact a textbook example of what I said it is. If he reads the definition I'm referring to, and the two relevant posts, I'm guessing he'll agree. No big deal.

Two, where in my comment did you find me calling him a member of a gang?

Three, I'm not "going after him". My original statement in this thread states that these are things that we are all guilty of; myself included.

Four... hijacking? What exactly is the definition of that? You mean like coming into someone's thread, and every comment is hassling the OP? And again, what are you talking about?

Five... demands? What demands did I just make?

Six... get off my case, dude. You really don't like me, or my opinions, do you? Are my opinions exempt from your "no opinion is more important than anyone else's" rule? Right now, you appear a bit obsessed.

Now you're ruining my thread. Go away if you don't like it.

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#21
In reply to #20

Re: Reasoning and Logic

07/20/2011 9:10 PM

Okay

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#24
In reply to #20

Re: Reasoning and Logic

07/20/2011 11:43 PM

I'd have to agree with your "three" as this surly post shirley embodies most of the 'devices' and 'convenience' in interpretation, outlined in the OP.

"All guilty of" - not so much. That you linked to your own comment as an example relevant to the OP - Your choice. That you don't like people 'fallowing the links thereafter "research" then referencing thereby revealed comments, is a logical outcome of your own lack of skills, or application of diligence.

You're not dealing with a bunch of placard waving morons - but an audience well able to click on 'find in discussion'.[1]

Putting aside 'hijacking', (4) which logically invites discussion on your track record, and apparent obliviousness of it; unless it is happening to you, (5) shows equal convenient obliviousness to the inferred 'standards of logic' you opine about in the OP, then totally forsake in (6).

(6) is a mass of illogical emotional assumptions based in your opinion of another's motivation. You seem to really object to the concept that your opinions are 'open to discussion'.

Perhaps this is due to the illogical wish rooted in "my thread".

The reality is; you posted in a public forum. "Here is my circuitous riposte, inc thinly veiled attack, on what has been written (in response to my previous unsubstantiated opining and slanderous innuendos, directed at (never named) CR4 members - Discuss"

And as anyone with a scintilla of logic skills would say "see [1] You should have thought of that earlier"

Before you say "Go away if you don't like it." Let me say; I'm loving it

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#22
In reply to #19

Re: Reasoning and Logic

07/20/2011 10:17 PM
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#26
In reply to #22

Re: Reasoning and Logic

07/21/2011 5:31 AM

Excellent observation.

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#16
In reply to #4

Re: Reasoning and Logic

07/20/2011 7:01 PM

What's the problem with a Straw Man? Ray Bolger was an excellent dancer.

My apologies, I couldn't resist.

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#17
In reply to #16

Re: Reasoning and Logic

07/20/2011 7:11 PM

LOL... I was waiting for that

Nothing wrong with straw man... it's the wicker man you have to watch out for.

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#6

Re: Reasoning and Logic

07/20/2011 5:28 PM

All I can say, is that I believe you are violation of copyright law.

I'm not going to respond until I see what the moderators do with this thread.

Please refer to CR4 FAQ in the future.

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#7
In reply to #6

Re: Reasoning and Logic

07/20/2011 5:39 PM

Oh brother.

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#8
In reply to #7

Re: Reasoning and Logic

07/20/2011 5:50 PM

I'm not picking on you. Nor am I doing anything silly like hitting the report button.

They take this stuff very seriously, people have been booted for it.

Welcome to the limelight..............................Welcome to the gang.

I went through a period of trying to make CR4 the way I wanted it in the beginning. I just skipped the members and went straight after admin. I've learned to like it just the way it is......................................they have decided to tolerate me............at least for now.

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#12
In reply to #8

Re: Reasoning and Logic

07/20/2011 6:18 PM

Well... if they've got a problem with it, I can just replace the offensive text with a link to the website.

Logical Fallacies Classifications

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#27
In reply to #12

Re: Reasoning and Logic

07/21/2011 6:28 AM

Might as well have a say before admin wet their pants.

I once copied out a puzzle to amuse members. I'm sure it did, because I typed half of it wrong ! I wasn't giving a toss about the copy issue, not that it would have mattered with my screw up . Admin kindly let me correct it, and the original source (who I think I'd named) didn't sue me. Shame no bugger ever had the time to waste on solving it !

Where was I ? Oh, yeah, you could have just sent a revision to admin - summation plus link. It'd save them time and help avoid any pr*** complaining that you'd complimented their work by repeating it. I'm sure it's all very interesting, but I've probably had my blabquota on this one.

I think therefore I am, clearly not doing much practical right now

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#28
In reply to #7

Re: Reasoning and Logic

07/21/2011 5:57 PM

The idea of a copyright is preventing third parties from profiting from our work or the honors that might be associated to a paper. As you mentioned the author´s name and the title of the publication, YOU DID NOT infringe any the author´s rights. There are also "Uses" covered under limitations and exceptions to copyright, such as fair use, which do not require permission from the copyright owner. All other uses require permission. Voilà Monsieur Poirot! See: http://en.wikipedia.org/wiki/Copyright

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#29
In reply to #28

Re: Reasoning and Logic

07/21/2011 6:22 PM

From CR4 FAQ's:

12) Can I post copyrighted material?

If you own the copyright, then the answer is "yes".

If you do not own the copyright, then limited presentation of material is permissible via the "Fair Use" Doctrine. A reasonable rule-of-thumb is that copying three paragraphs from a normal-length news article or editorial (approximately 300 words) is acceptable as long as attribution is provided; however, this is not a hard-and-fast rule. If you're unsure about what to do, then don't post the material. If you do not know the copyright status of a given block of text, assume it is owned by someone else.

Copying and pasting complete copyrighted articles without permission from the copyright holder is categorically prohibited by copyright laws. Copyright infringement can expose both you and CR4 to financial liability. Please do not do this. Otherwise, the CR4 moderation team will be forced to remove your post and possibly ban you from the site.

Copying and pasting copyrighted images without permission is the same as using copyrighted text. It is a violation of intellectual property laws. If you want to use an image, get permission from the copyright holder first. When in doubt, don't post the image.

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#32
In reply to #29

Re: Reasoning and Logic

07/21/2011 6:51 PM

Copying and pasting complete copyrighted articles without permission from the copyright holder is categorically prohibited by copyright laws

Very precisely and correctly put. On this occasion, I think no injury to the source has been caused, and this discussion has served to enhance the original authors status.

Forgive me for saying, but the sage advice you give is an almost exact replica of a statement made by Chris Leonard some time ago. Certainly worth re-stating, even if you are unaware of Chris's post on this matter. Just a little ironic observation ferom blighty, which I hope you take in the light-hearted spirit it's intended

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#35
In reply to #29

Re: Reasoning and Logic

07/22/2011 6:12 AM

Thanks, lyn, for sharing this information.

Whether the material's being profited from or not it's not permissible on CR4 to take such a large piece of content from a copyrighted resource. The post is about 1,200 words including the intro.

I'll go in and edit it to the acceptable length and link to the rest of the types provided in another comment.

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#36
In reply to #35

Re: Reasoning and Logic

07/22/2011 8:46 AM

Sorry, but by editing the content you are infringing copyrights! And that is a contradiction, cause you are doing what you said should not be done!

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#37
In reply to #36

Re: Reasoning and Logic

07/22/2011 8:52 AM

I only edited the user's post for length. I did not rewrite the original content in any way. I just cut out anything after the first three paragraphs and linked to the original document. Feel free to check out the post.

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#40
In reply to #37

Re: Reasoning and Logic

07/22/2011 9:45 AM

I really do not want to argue about this, but the copyrights protect the entire document as well as any part of it, which means in this case you are an accessory to Out of the Box!

If copyrights are such a big deal (even if fairly used - as in this case), you should have removed the entire document and left a hyperlink to the source*, as the OP mentioned in another posting.

* no need to say nobody would have read.

So, let´s cool down, enjoy life, share experience and learn a lot from each other! Carpe diam!

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#41
In reply to #40

Re: Reasoning and Logic

07/22/2011 9:53 AM

As an admin ensuring the post adheres to CR4 rules I trimmed it down to the acceptable length. This protects both the CR4 website and its users. We have been threatened with lawsuits by copyright owners before (both via email and written cease and desist orders that came via regular mail). It's easier to avoid that.

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#30
In reply to #6

Re: Reasoning and Logic

07/21/2011 6:31 PM

He has attributed the work. It is a rather large quote. But a fair use claim will likely stand.

Milo

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#31
In reply to #30

Re: Reasoning and Logic

07/21/2011 6:49 PM

At this moment, I'll fully admit that I'm talking out my butt... because it's just a supposition. But it seems to me that the intent of copyright laws is to prevent someone profiting, in any way, from another's work. That's clearly not the case here, as the text is only offered as a point of discussion, just as it would be if any of us would go to the link I provided, that leads to the exact same text which is freely available, with the author and publication noted in both cases. And I'm not profiting intentionally, nor unintentionally. I'm also of the opinion that a fair use claim will stand in this particular case.

In either case, I'll abide by whatever Admin directs me to do, if or when they contact me, regarding this issue.

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#33
In reply to #31

Re: Reasoning and Logic

07/21/2011 7:10 PM

I think it is a non issue.

I think that it was a great post. I teach a shorter list of fallacies in my MBA critical thinking class. This is an excellent resource.

Milo

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#34
In reply to #33

Re: Reasoning and Logic

07/21/2011 7:20 PM

17 categories is quite a long list, I agree. That's splitting some very fine hairs, in shades of meanings. BruceFlorida, in post #2, mentioned he was aware of a list of 5 classifications. I assume that's more like what you're talking about.

But I do find it an interesting subject. I'll never understand human reasoning. But at least I can try to get closer to it.

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#9

Re: Reasoning and Logic

07/20/2011 5:53 PM

What proof have you presented that logic is even remotely related to science?

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#11
In reply to #9

Re: Reasoning and Logic

07/20/2011 5:57 PM

Ummmm .... Mr. Spock??

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#18
In reply to #11

Re: Reasoning and Logic

07/20/2011 7:30 PM

Beam me up Scottie!

Maybe I'm just a cause and effect type, myself.

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#23
In reply to #18

Re: Reasoning and Logic

07/20/2011 10:48 PM

cause and effect type, huh!

......too practical

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#13
In reply to #9

Re: Reasoning and Logic

07/20/2011 6:22 PM

Logic, science, reason, mathematics, philosophy, kebabs - all invented by the same people.

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#14
In reply to #13

Re: Reasoning and Logic

07/20/2011 6:30 PM

LOL... kebabs.

Mmmm... I miss the kebab shops I used to go to in Weymouth

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#15
In reply to #14

Re: Reasoning and Logic

07/20/2011 6:48 PM

There's a cracking one in Oxford where they make the bread from fresh dough. It makes all the difference. I'm hoping my son will stay on there to do a PhD. It's always a pleasure to visit, and there's always a good excuse to go for kebabs.

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#25

Re: Reasoning and Logic

07/21/2011 12:58 AM

What about the paradoxes, which are quite often mistaken to be fallacies ?

Expansion of water above and below 4°C, for example? Logic may not be that great after all ?

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#38

Re: Reasoning and Logic

07/22/2011 9:33 AM

Sometimes I have the feeling that many people posting here in CR4 enjoy more tarring and feathering rather than sharing knowledge. That is a real pity! Let me remind you a text (there is no copyright for it) written some time ago in a big book (actually not the phone book!): Let He Who Is Without Sin Cast The First Stone! Carpe diam!

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#39
In reply to #38

Re: Reasoning and Logic

07/22/2011 9:36 AM

Amen, says this atheist.

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#42
In reply to #38

Re: Reasoning and Logic

07/22/2011 10:27 AM

I often wonder what people who say 'Seize the Day' in Latin, would do, if they actually seized one. I think it might be a bit like the dog who finally caches a car.

It would also help if the God Squad could speel Lutan

The extended quote goes;

Carpe diem, quam minimum credula postero

Seize the Day, putting as little trust as possible in the future

It's not actually that 'inspiring' - except for perhaps a base jumper.

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#43
In reply to #42

Re: Reasoning and Logic

07/22/2011 10:32 AM

well, it´s like seing the glass half full ... or half empty! I go for the first half of the sentence! Carpe diam!

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#44
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Re: Reasoning and Logic

07/22/2011 10:40 AM

Good on ya! - Roger will probably have the Prague lot name a satellite after you - assuming they forgive him for TBMB

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#51
In reply to #44

Re: Reasoning and Logic

07/25/2011 1:31 AM

Diem, not diam.

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#52
In reply to #51

Re: Reasoning and Logic

07/25/2011 9:05 AM

I'd like to see the 'reasoning and logic' as to why Tornado's post was voted OT.

Somebody is being very trigger-happy with the ratings button, especially when constructive replies appear. Pity.

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#59
In reply to #44

Re: Reasoning and Logic

07/27/2011 9:45 AM

I'm not talking a behind Prague's back, I've sent them countless letters telling them how I feel. Thus I'm currently banned form the Czech Republic. Seriously though, how am I supposed to take them seriously if they insist on throwing Zs in the middle of their words?

Rozger

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#60
In reply to #59

Re: Reasoning and Logic

07/27/2011 12:28 PM

Anyone Britlandish will tell you that'z an American pastime.

"Thus I'm currently banned form the Czech Republic"

Did you mean: Thus I'm currently a banned form in the Czech Republic?

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#61
In reply to #60

Re: Reasoning and Logic

07/27/2011 1:15 PM

You Wrote:"Did you mean: Thus I'm currently a banned form in the Czech Republic?"

Actually I meant to write "Thus I've currently begun forming a banana republic" (The good kind, not the clothing store kind).

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#62
In reply to #61

Re: Reasoning and Logic

07/27/2011 2:38 PM

Harrison Ford already had such a project in mind (The Mosquito Coast, 1986)

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#63
In reply to #61

Re: Reasoning and Logic

07/27/2011 3:30 PM

will you be?

president

emperor

benevolent overlord

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#64
In reply to #63

Re: Reasoning and Logic

07/27/2011 3:41 PM

d) top banana

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#65
In reply to #64

Re: Reasoning and Logic

07/27/2011 3:42 PM

I like the sound of Potentate.

Potentate Pink.

Pink the Potentate.

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#66
In reply to #65

Re: Reasoning and Logic

07/27/2011 4:02 PM

Harumph

that would be

His Royal Hiney Dr Pink

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#67
In reply to #65

Re: Reasoning and Logic

07/27/2011 4:17 PM

That has Potential!

Dr Roger, Defender of Science, Defeeter of the Dumb

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#68
In reply to #67

Re: Reasoning and Logic

07/27/2011 4:56 PM

Yeah, grrrr.... bad stuff about Roger....grrrr.... Emoticon.

It's like a ray of sunshine every time "the gang" shows up.

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#69
In reply to #68

Re: Reasoning and Logic

07/27/2011 5:13 PM

Just goofing around. If there's a gang, I haven't been invited to join.

Darn, they're probably out to get me too and I'm just too dumb to realise it.

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#70
In reply to #68

Re: Reasoning and Logic

07/27/2011 5:20 PM

We're still waiting for the other 80 of our brethren to be posted you know where

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#71
In reply to #68

Re: Reasoning and Logic

07/27/2011 5:43 PM

Aw, c'mon Roger - get the hotpants on ! (I'm only saying this so the 'gang' don't pick on me....sooooo scared....NOT). Mwahahahaha. The fence ain't been built that a squib can't balance on it

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#74
In reply to #68

Re: Reasoning and Logic

07/27/2011 9:01 PM

Heheheeeee

"every time "the gang" shows up."

"Logically" more like you walk into the Blue Oyster

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#73
In reply to #61

Re: Reasoning and Logic

07/27/2011 8:54 PM

Just as well you didn't. Be like opening your mouth to change demgods, on this thread

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#45
In reply to #42

Re: Reasoning and Logic

07/22/2011 10:41 AM

It's always difficult getting a good translation that reflects the original meaning in all its' nuances, and "seize the day" might not be best. "Enjoy the moment" is a possible alternative.

But well spotted. Original quotes should not be mis-spelt, not even once let alone twice thrice.

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#46
In reply to #45

Re: Reasoning and Logic

07/22/2011 10:59 AM

Good point: you are right, I should have written DIEM, but as I speak and write EN, ES. PT, DE, FR and IT, sometimes my brain get´s a little confused! sorry for that.

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#54
In reply to #46

Re: Reasoning and Logic

07/25/2011 9:28 AM

Well done, lad, quite admirable. That's two and a half more languages than me. And since the word in Iberian languages (apart from Basque) is 'Dia', you are forgiven.

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#56
In reply to #54

Re: Reasoning and Logic

07/25/2011 12:21 PM

This poor being does not deserve your mercy Holzfeller!

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#47
In reply to #42

Re: Reasoning and Logic

07/23/2011 10:58 AM
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#48
In reply to #47

Re: Reasoning and Logic

07/23/2011 7:49 PM

Ummmm - thanks for the search - I feel a new Avatar coming on

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#49
In reply to #48

Re: Reasoning and Logic

07/23/2011 7:54 PM

harrumph

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#50
In reply to #49

Re: Reasoning and Logic

07/23/2011 8:10 PM

Oh - sorry - thought AP was someone else - damn tricky working out who AP's are sometimes.

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#53
In reply to #47

Re: Reasoning and Logic

07/25/2011 9:09 AM

The Mosaic of the dog tied to a rope is to be seen at the entrance of a house in the ruins Pompeii not far away from Naples, Italy. It means (and warns) there is a watch-dog in the house. I happened to see it about 4 weeks ago during my holidays. There are still many different types of mosaics perfectly preserved: some represent tales of battles, other scenes from the daily life;

Here you can see a group of young ladies doing sports, wearing bikinis!

Ancient Pompeians were quite concerned about their male attributes, which are represented in all imaginable forms and uses. One mosaic in particular catches the interest of ALL visitors: it depicts a man called Priapus* weighting his huge p**is on a scale! IT´S UP TO YOU TO FOLLOW THIS LINK: these picture contain material that may be very disturbing to some people (AT LEAST, ME!): http://www.google.com.ar/url?source=imglanding&ct=img&q=http://wwwdelivery.superstock.com/WI/223/1566/200607/PreviewComp/SuperStock_1566-290653.jpg&sa=X&ei=KWgtTvSGKMTf0QH57ajkDg&ved=0CAQQ8wc&usg=AFQjCNHNYX8nNwV7OTLtQybWGYB4vagBuw

* A medical condition is called Priapismus. Guess after whom it is called that way!

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#55

Re: Reasoning and Logic

07/25/2011 11:05 AM

I'm late in coming

But I had to subscribe

Just to watch OBE, who cannot seem to stay out of his own way

GangMember

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#57

Re: Reasoning and Logic

07/25/2011 1:47 PM

A topic like this can lead to religious discussion, one I have to stay away from.

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#58
In reply to #57

Re: Reasoning and Logic

07/25/2011 8:06 PM

Because logic & reason & religion are mutually exclusive? (oooh, an angel)

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#72

Re: Reasoning and Logic

07/27/2011 7:57 PM

How about 'Correlation does not infer causation.' It's shorter and no copyright! (yet)

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