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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: 348
Latest Activity: 17 hours ago

"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

Psychic Power-NOT

Started by Ruth Anthony-Gardner. Last reply by Michael Penn Oct 14. 7 Replies

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

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 Shane Smith on November 3, 2011 at 11:26am

Creating a Skeptic group in Utah. Check out the site! For those of you not in Utah, Lucky you! And you may like the podcast either way.

Coming up this weekend: An interview with a paranormal investigator!

https://sites.google.com/site/skepticinmormonville/
Comment by Susan Stanko on October 17, 2011 at 2:03pm
Nah, I was just curious.
Comment by Joseph P on October 17, 2011 at 1:24pm
Yeah, I was wondering about the 10p.  That's British terminology.
Comment by A Former Member on October 17, 2011 at 1:15pm
Someone posted it on another site, but I changed it from pounds to dollars. Do you need me to track down the original link?
Comment by Susan Stanko on October 17, 2011 at 1:06pm
Where did you get it?
Comment by Steph S. on October 17, 2011 at 12:56pm
That's funny Dallas!
Comment by Joseph P on October 17, 2011 at 12:44pm
Heh heh heh heh heh.  Nice.
Comment by A Former Member on October 17, 2011 at 12:43pm

Homeopathic economist suggests injecting ‘up to $1’ into economy

 

Renowned homeopathic economist Doctor Stephen Harliton has criticized recent attempts to solve the international financial crisis. “Conventional treatments don’t work, asking people to spend less is too rational.”

 

Harliton has calculated that $1 invested properly will completely cure the world economy. “The key is to find the correct dilution.”, explained Harliton, “I know $1 sounds a lot but if it’s introduced in 10p doses throughout the year, the economy will soon return to a balanced state. I’ve already written a series of post-dated prescriptions from my chakra book.”

Doctor Harliton denied that his treatment was a licence to print money.

Comment by Michel Poisson on September 12, 2011 at 2:28pm
Homeopathy is very good at curing imaginary illness.
Comment by A Former Member on September 12, 2011 at 2:19pm
That was great Mike. I've passed it along. Lol!
 

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