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No Nonsense

Anti-pseudoscience, anti-woo, pro science, pro critical thinking, no conspiracy theories, no spin. Count the logical fallacies. No Nonsense!

Members: 347
Latest Activity: on Friday

"Keep an open mind – but not so open that your brain falls out" -unknown

"Extraordinary claims require extraordinary evidence." -- Carl Sagan

"What can be asserted without evidence can also be dismissed without evidence." -- Christopher Hitchens

What is a logical fallacy? All arguments have the same basic structure: A therefore B. They begin with one or more premises (A), which is a fact or assumption upon which the argument is based. They then apply a logical principle (therefore) to arrive at a conclusion (B). An example of a logical principle is that of equivalence. For example, if you begin with the premises that A=B and B=C, you can apply the logical principle of equivalence to conclude that A=C. A logical fallacy is a false or incorrect logical principle. An argument that is based upon a logical fallacy is therefore not valid. It is important to note that if the logic of an argument is valid then the conclusion must also be valid, which means that if the premises are all true then the conclusion must also be true. Valid logic applied to one or more false premises, however, leads to an invalid argument. Also, if an argument is not valid the conclusion may, by chance, still be true. For a more thorough discussion of logical fallacies and how to structure a logical argument, see the New England Skeptical Society's article, How To Argue.

Top 20 Logical Fallacies (in alphabetical order) taken from -

The Skeptics' Guide To The Universe

The New England Skeptical Society The Skeptics' Guide To The Universe Science-Based Medicine
The James Randi Educational Foundation
Propaganda
snopes.com
Bad Science by Ben Goldacre
Simon Singh and his fight to mend British libel laws
Professor Richard Wiseman
PZ Myers' Pharyngula
Dr. Phil Plait and Bad Astronomy
Skeptic Blog
Michael Shermer's Baloney Detection Kit
The Demon-Haunted World: Science as a Candle in the Dark by Carl Sagan
The Skeptics' Dictionary
List of cognitive biases
Don Watson - Weasel Words
QuackWatch
A List of Fallacious Arguments

Chat #NoNonsense

"No skeptic, to my knowledge, ever made a major scientific discovery or advanced the welfare of others."

-- Deepak Chopra (yes, he actually said that)

"The most exciting phrase to hear in science, the one that heralds the most discoveries, is not "Eureka!" (I found it!) but That's funny..." -Isaac Asimov



The scientific world view is full of awe and wonder. Understanding how truly awesome the universe is – in its elegant complexity, its staggering beauty, and the many intricate systems of which it is comprised – gives a profound feeling of connectedness and sparks the imagination. And it has the advantage of being real. -Steven Novella



The glory which is built upon a lie soon becomes a most unpleasant incumbrance. How easy it is to make people believe a lie, and how hard it is to undo that work again.
— Mark Twain

Discussion Forum

Gish Gallop

Started by Ruth Anthony-Gardner. Last reply by Tom Sarbeck Aug 18. 4 Replies

What counts as proof for existential threats

Started by Ruth Anthony-Gardner. Last reply by Tom Sarbeck Jun 14. 1 Reply

Cheating with Science

Started by Ruth Anthony-Gardner. Last reply by Michael Penn May 22. 6 Replies

Apocalypse anxiety

Started by Ruth Anthony-Gardner. Last reply by Luara May 9. 7 Replies

Young adults belief in demon posession

Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner May 8. 12 Replies

Challenging lies doesn't work

Started by Ruth Anthony-Gardner. Last reply by Michael Penn May 7. 2 Replies

Psychic Power-NOT

Started by Ruth Anthony-Gardner. Last reply by Michael Penn May 7. 6 Replies

Mere question elicits false memories

Started by Ruth Anthony-Gardner. Last reply by Michael Penn May 7. 1 Reply

Political discourse in US - fundamentally fallacious

Started by Ruth Anthony-Gardner. Last reply by Tom Sarbeck May 5. 13 Replies

F*ck You= Australia's Coal Policy

Started by Ruth Anthony-Gardner. Last reply by Loren Miller Apr 17. 4 Replies

Name truthiness

Started by Ruth Anthony-Gardner. Last reply by Joan Denoo Mar 1. 1 Reply

Frustration at RealClimate

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Dec 1, 2013. 2 Replies

Religion correlates with Climate Denial

Started by Ruth Anthony-Gardner Nov 27, 2013. 0 Replies

Liberal Washing

Started by Ruth Anthony-Gardner. Last reply by Joan Denoo Nov 2, 2013. 1 Reply

Information Technology amplifies irrational group behavior

Started by Ruth Anthony-Gardner. Last reply by Joan Denoo Apr 13, 2013. 3 Replies

6 criteria of conspiratorial thinking

Started by Ruth Anthony-Gardner. Last reply by Humble Pie Mar 24, 2013. 3 Replies

WHEN IS THE NEXT DOOMSDAY (NOT) GOING TO HAPPEN?

Started by Idaho Spud. Last reply by Idaho Spud Jan 10, 2013. 2 Replies

Comment Wall

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You need to be a member of No Nonsense to add comments!

Comment by Фелч Гроган on November 23, 2009 at 1:19am
Woohoo. Welcome Leo from Sweden, member #50. That's the last the Kenyan birth certificates.
Comment by Prog Rock Girl on November 22, 2009 at 9:28pm
Logic and reason set me free!
Comment by Shamar on November 22, 2009 at 4:54pm
The Earth is Flat! And Other False Beliefs Based on Dogma and Pseudoscience that Stress the Need for Critical Thinking
http://bit.ly/RuUcx
Comment by Фелч Гроган on November 22, 2009 at 4:57am
@Mymelody - "Bioidential hormones" are what this charlatan peddles from this antivax video posted by Homeoboy
Comment by Ida on November 22, 2009 at 3:10am
Nice to see a group like this on AN. It is very much needed.
Comment by Meg on November 22, 2009 at 3:00am
Excellent! I think my professor of "Why People Believe Weird Things" would love this group.
Comment by sacha on November 21, 2009 at 10:10pm
here you are, Daniel


now get on with your work debunking the woo!
Comment by Sentient Biped on November 21, 2009 at 10:03pm
I feel left out. My favorite cartoon was Rocky & Bullwinkle. But I'll get over it, since there is a preponderance of scoobyphilia here and we all have to compromise for the greater good.
Comment by Фелч Гроган on November 21, 2009 at 9:23pm
As promised to the first 50 members here's your FREE Obama birth certificate (click to enlarge) -

>

Comment by Glenn Sogge on November 21, 2009 at 7:53pm
->felch: The best way to handle "specific nonsense angles" would be to deconstruct specific documents or posts to show the tools in use. (I think this is called 'fisking' now on the interwebs.) Are there some major documents (in the sense of important or canonical, not length) that we could do this on? Or maybe we post/link something and ask for a detailed working out of what's wrong?
 

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