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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: 359
Latest Activity: Feb 15

"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

Post-Truth "Reality" Tactics

Started by Ruth Anthony-Gardner. Last reply by Joseph P Feb 15. 15 Replies

Snag-Attention Government

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Feb 14. 3 Replies

The Blowfish Fallacy

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Feb 13. 1 Reply

Snake Oil of Doom

Started by Ruth Anthony-Gardner. Last reply by Bertold Brautigan Jan 31. 4 Replies

Media Bubbles - Truth versus Security

Started by Ruth Anthony-Gardner. Last reply by Plinius Jan 15. 4 Replies

Misleading with truth is Paltering

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Jan 14. 1 Reply

On images and moral vacuums

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Jan 10. 2 Replies

Blame as a Fallacy

Started by Ruth Anthony-Gardner Dec 15, 2016. 0 Replies

Repeated lies seem true

Started by Ruth Anthony-Gardner. Last reply by Chris Dec 8, 2016. 8 Replies

Identity-Protective Cognition and Fundamentalism

Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner Nov 29, 2016. 3 Replies

Truthiness Trumpiness

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Nov 15, 2016. 5 Replies

Internet Sabotages Sensible Communication

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Nov 14, 2016. 1 Reply

Reality TV as Analgesic Doublespeak

Started by Ruth Anthony-Gardner. Last reply by Grinning Cat Oct 10, 2016. 4 Replies

Ubiquitous Disconnect from Reality

Started by Ruth Anthony-Gardner. Last reply by Chris Sep 22, 2016. 13 Replies

Search Engine Manipulation Effect

Started by Ruth Anthony-Gardner Sep 18, 2016. 0 Replies

Tony Heller/Steve Goddard Climate Denier on Hypertribalism

Started by Ruth Anthony-Gardner. Last reply by Joan Denoo Sep 16, 2016. 28 Replies

Can psychics "connect" with a woman's nonexistent dead sister?

Started by Grinning Cat. Last reply by Ruth Anthony-Gardner Sep 14, 2016. 12 Replies

Replacing Reality

Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner Aug 29, 2016. 6 Replies

tRump incoherent babbling

Started by Ruth Anthony-Gardner. Last reply by Loren Miller Aug 15, 2016. 17 Replies

Comment Wall

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Comment by Bertold Brautigan on October 2, 2016 at 1:49pm

This conversation is heading toward catasstrophe.

Comment by Bertold Brautigan on October 2, 2016 at 1:20pm

Tom - When a cat and a flower REALLY love each other . . . 

Comment by tom sarbeck on October 2, 2016 at 1:18pm

...black hollyhock ... blossoms looked just like the back end of our black cat.

Did they evolve the required genes independently, or was there some hanky-panky way back when?

Comment by Plinius on October 2, 2016 at 12:25pm

Pink in the middle. That reminds me I have to clean the catbox...

Comment by Bertold Brautigan on October 2, 2016 at 11:55am

We had a black hollyhock plant one year. The blossoms looked just like the back end of our black cat.

Comment by Plinius on October 2, 2016 at 4:40am

No problem, Tom, and it's quite common. Thousands of people buy a dog to look at a dog's behind three times a day...

Comment by Joan Denoo on October 2, 2016 at 4:36am

Since the stock market is rigged, it is impossible to predict what happens when. Wealthy investors buy or sell huge chunks in order to influence the market. Ya, any cat, mouse, bird, or fly would be more accurate than a reasoning person. 

Comment by tom sarbeck on October 2, 2016 at 3:39am

Follow the cat?

If cats, AKA self-emptying mouse traps, were to walk with only their noses in the air, we followers wouldn't have to look at the orifices through which they disgorge the remains of their prey.

Comment by Plinius on October 2, 2016 at 3:20am

:-D in case of doubt, follow the cat!

Comment by Ruth Anthony-Gardner on October 1, 2016 at 10:24pm

And then there is the stock picking cat.

A ginger tabby named Orlando beat a team of investment professionals and a group of students in a year-long stock-picking experiment conducted by the British paper The Observer. Orlando picked his stocks by throwing a toy mouse at a grid of companies, while his human opponents possibly used methods involving “research” and “thinking.”

At the end of the year, Orlando’s picks had returned nearly 11 percent, while the pros had gained just 3.5 percent. The students lost money on the year.

Orlando joins a long list of famous stock-picking animals that have made stock-picking humans look ridiculous through the years.

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