Philosopher’s Zone- NYTimes – The Stone
- The Lesson History Teaches Is Tragic
- How We Went From ‘Soup Nazis’ to Real Nazis
- What Kind of Problem Is Climate Change?
- Do We Really Understand ‘Fake News’?
- The Beauty of the Ordinary
- Why Are Poor Women Poor?
- Should Work Be Passion, or Duty?
- Don’t Dismiss ‘Safe Spaces’
- Why Philosophers Shouldn’t Sign Petitions
- Dear God, Are You There?
- Philosophy Now
- Dangerous Minds: Nietzsche, Heidegger, & the Return of the Far Right by Ronald Beiner
- News: October/November 2019
- Letters
- Schopenhauer’s Flight of the Valkyries
- Shelley Matheis’ Cartoon
- Goading Gladiators
- Michel Serres (1930-2019)
- The Mind of Leonardo da Vinci
- Conceptual Origami
- Philosophical Outlook & Mental Well-Being
- RSA Animate
- Scientific American – Mind and Brain
- Why Do Some People Need Less Sleep? It's in Their DNA
- Happier Babies Have an Edge
- Is Moral Relativism Really a Problem?
- Latitude Adjustment: Distance from the Equator Shapes Our Thinking
- Ancient Teeth Reveal Social Stratification Dates Back to Bronze Age Societies
- How Mere Humans Manage to Comprehend the Vastness of the Universe
- Artificial Intelligence Learns to Talk Back to Bigots
- Sleep Deprivation Shuts Down Production of Essential Brain Proteins
- The Fearful Mind
- It's Time for a World without Gender
- TED talks
- A circular economy for salt that keeps rivers clean | Tina Arrowood
- How family separation at the US-Mexico border affects children's mental health | Luis H. Zayas
- An app that helps incarcerated people stay connected to their families | Marcus Bullock
- How we can eliminate child sexual abuse material from the internet | Julie Cordua
- After billions of years of monotony, the universe is waking up | David Deutsch
- Revelations from a lifetime of dance | Judith Jamison and members of the Alvin Ailey American Dance Theater
- What Bruce Lee can teach us about living fully | Shannon Lee
- How we're using DNA tech to help farmers fight crop diseases | Laura Boykin
- A personal plea for humanity at the US-Mexico border | Juan Enriquez
- A radical plan to end plastic waste | Andrew Forrest
Category Archives: Deductive Logic
The power of the non sequitur
From www.dilbert.com of course…
Philosophy in Senior Schools
(From my appearance on ABC Radio National’s ‘Philosopher’s Zone) http://www.abc.net.au/rn/philosopherszone/stories/2007/1911312.htm Philosophy is about asking childlike questions – how do we know the world exists? How do we know it hasn’t just started existing? Why can’t we go back in time? … Continue reading
Some important tools of critical thinking
(from my Ockham’s Razor appearance on the ABC’s Radio National) http://www.abc.net.au/rn/ockhamsrazor/stories/2010/2975629.htm Robyn Williams: And now, the bad news. No, don’t run off – this is interesting – even Quite Interesting, as Stephen Fry might say. Here I’ll quote directly from a … Continue reading
Logic in conversation
Why knowing deductive logic is not always an advantage.. Another Dilbert classic.
More Dilbert magic – Argumentation
Deductive logic, argument, argumentation.
The Tools of Critical Thinking
Ocham’s Razor episode with Peter Ellerton on Inductive and Deductive Reasoning and courses in schools. Critical thinking. Ockhams Razor – Ellerton (mp3)
Just think: it’s important
Sydney Morning Herald article on teaching philosophy in schools. Reason being … Peter Ellerton teaches philosophy at Brisbane’s Calamvale Community College and started the Australian Philosophy Teachers Network to get more resources to teachers. Photo: Paul Harris August 25, … Continue reading
Exercises using truth tables or trees for validity worksheet
Worksheet with about a dozen problems requiring testing for validity using truth tables & truth trees, as well as some translating. Deductive Logic. Truth tree validity worksheet
Basic Truth Table Posters
These simple posters were printed off and placed above the whiteboard for the duration of our propositional logic unit as a means of quick visual reference. Deductive Logic. Basic truth table posters
Valid Arguments, Tautologies and Formal Fallacies (deductive logic)
A one page summary sheet of some of the main bits of propositional logic. Deductive Logic. Valid Arguments
Truth Trees booklet
Booklet on the propositional logic technique of truth trees. Deductive Logic. Truth Trees
Truth Tables booklet (deductive logic)
A booklet on the techniques of truth tables from propositional logic. Deductive Logic. Truth Tables booklet
Propositional Logic – Translating and Symbolising (deductive logic)
An introduction to propositional logic – how to represent sentences and statements into propositions. Deductive Logic. Propositional Logic – Propositions booklet
Natural Deduction booklet (deductive logic)
A booklet on the technique of natural deduction (requires knowledge of propositional logic) – deductive logic. Natural Deduction Booklet
Categorical Logic booklet (deductive logic)
Traditional and categorical logic as Aristotle meant it to be… deductive logic. Traditional Categorical Logic
Monty Python – ‘We found a witch!’ scene from The Holy Grail
Classic Python scene. Great for deductive logic, analogy, fallacies of reasoning. Mp4 format – good for ipods. About 4 minutes and 25 Mb. witch (mp4)
Philosophy Games
The Philosophers’ magazine online – an excellent series of games on philosophy, critical thinking and deductive logic. Includes Battlefield God and moral philosophy games. http://www.philosophersnet.com/games/
Penguin Logic
How not to do deductive logic (cartoon)
