The Magic of Critical Thinking

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Presentation transcript:

The Magic of Critical Thinking

Plato, Phaedrus 275a-b (c. 360 B.C.) Theuth, Egyptian god who invented letters. Ammon (Amun), Egyptian supreme god. “This invention, O king, will make the Egyptians wiser and will improve their memories; for it is an elixir of memory and wisdom that I have discovered.”

“For this invention will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing—produced by external characters which are no part of themselves—will discourage the use of their own memory within them.

You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom, for they will read many things without instruction and will therefore seem to know many things, when they are for the most part ignorant and hard to get along with, since they are not wise, but only appear wise.”

You have invented an elixir not of memory, but of reminding; “For this invention will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing—produced by external characters which are no part of themselves—will discourage the use of their own memory within them. You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom, for they will read many things without instruction and will therefore seem to know many things, when they are for the most part ignorant and hard to get along with, since they are not wise, but only appear wise.”

The Magic of Critical Thinking

The Magic of Critical Thinking

Sleight of Hand French Drop

Sleight of Hand Card Vanish

Sleight of Hand Sleight of Mind Illusion of Choice Force

Illusion of Choice Theodore Annemann, 202 Methods of Forcing (1933/36) Cards Numbers Miscellaneous

Think of a number between 5-20 Place finger on X Count out your number, moving from X to symbols, continue clockwise w/in circle Note the symbol where you stopped Count out your number again, counterclockwise this time, starting with the symbol where you stopped.

“Quirkology Mind Reading Shirt” Is this your symbol? “Quirkology Mind Reading Shirt” https://teespring.com/en-GB/QuirkologyTeeUS?src=tsshop#pid=369&cid=6529&sid=back

correlation / causation post hoc ergo propter hoc false continuum ad hominem personal incredulity correlation / causation post hoc ergo propter hoc false continuum argument from authority cherry picking the data non sequitur begging the question false dichotomy reductio ad absurdum false analogy the fallacy slippery slope to quoque straw man circular reasoning argument from final consequences/ teleological/ reverse cause & effect genetic fallacy / special pleading / ad hoc reasoning moving goalpost semantic anachronism illegitimate totality transfer/ genetic fallacy/ word root fallacy Texas sharpshooter ad ingorantium

Spurious Correlations http://www.tylervigen.com/spurious-correlations

Spurious Correlations

Spurious Correlations

Spurious Correlations

Cold Reading Memory Test Other Examples Cold Reading Memory Test

Memory Test

door

glass

pane

shade

ledge

sill

house

open

curtain

frame

view

breeze

sash

screen

shutter

door glass pane shade ledge sill house open curtain frame view breeze sash screen shutter

A Model of Critical Thinking Evidence-based thinking Tearing Down Building Up Mythbusters Five Paragraph Essay Brain Games Sherlock Snopes.com Occam’s Razor Jeremiah 1:10b

For Further Reading BibleWoot.com/mct BibTheo.com/fallacies Pinterest.com/biblewoot/critical-thinking ExegeticalFallacies.Tumblr.com