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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!

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"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

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"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

Hell for christians? Hell for all?

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Why Name Calling

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Psychic Power-NOT

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Gish Gallop

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

What counts as proof for existential threats

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Cheating with Science

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Apocalypse anxiety

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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

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F*ck You= Australia's Coal Policy

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Name truthiness

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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

Comment Wall

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Comment by Фелч Гроган on November 29, 2009 at 9:13pm
Sacha: felch - you seem to have quite a few homosexual Nazi images.

There used to be a great Aryan Death Boys series but it seems to have vanished off the web. I'm making do with what I can.
Comment by Prog Rock Girl on November 29, 2009 at 9:12pm
Gay metalheads are pretty hot.

Comment by Susan Stanko on November 29, 2009 at 9:01pm
Thanks sacha! LOL!
Comment by Jason Spicer on November 29, 2009 at 8:43pm
I think that Fox News pie chart must have been in radians. Or possibly degrees Kelvin. I also liked the bottom that said "Source: Opinions". Well, duh. Or was the word "dynamic" below the graphic supposed to be part of that? We'll never know.

And Daniel, you say a few gay Nazis shouldn't surprise anyone. Well, no, they shouldn't, but that's just the sort of rude thing Nazis will do, now isn't it? I don't care if they're gay or straight, Nazis shouldn't be sneaking up on people.
Comment by sacha on November 29, 2009 at 8:10pm
Susan, you can be an honorary natural blonde. : )
Comment by Daniel W on November 29, 2009 at 8:08pm
Also gay marines, gay soldiers, gay firefighters, gay cowboys, gay Mexican cannibals (that one's for Felch), gay Baptists, ...
Comment by Susan Stanko on November 29, 2009 at 8:02pm
I don't even have the natural blonde thing as an excuse.
Comment by Daniel W on November 29, 2009 at 7:43pm
Typo - I meant "A few gay Nazis"... too much trouble to edit comments.
Comment by Daniel W on November 29, 2009 at 7:42pm
Oh well, there are also gay muslims, gay clergy, gay penguins, gay rodeo cowboys, gay Azerbaijanis, gay cowboys.....

I few gay Nazis shouldn't surprise anyone.
Comment by sacha on November 29, 2009 at 7:24pm
ah ha! I am a natural blonde, you know. takes us a little longer sometimes.
 

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