Trivium Pursuit

Archive for the 'Logic' Category

How Logical Are You?

Tuesday, May 7th, 2013

by Hans Bluedorn Read the information below carefully. At the bottom there is a short, fun quiz for you to do. Some of you may have heard the terms “avoiding the question” and “red herring.” Avoiding the question is quite simple. Someone does not answer the question he has been asked, but he tries to […]

How to Lie With Statistics

Saturday, April 27th, 2013

How to Lie With Statistics by Darrell Huff Written in 1954, this little book is a classic. Its subject is statistics and how they can be used to trick you. It talks about samples with a built-in bias, tricky averages, misleading graphs, manipulative figures, monstrous margins of error, and generally, how you can lie with […]

Puzzles and Games

Monday, April 15th, 2013

1. Petals around the Rose Clue: The title of this is not arbitrary. 2. Which letter comes next? OTTFFSSEN_ 3. Three children want to go out side and play in the rain but their mother will not let them unless they can solve a puzzle. She brings out a box with 2 red hats and […]

How to Lead a Discussion by Asking Questions

Thursday, March 28th, 2013

Concerning the question on curriculum that teaches to ask questions — I have a suggestion. While it is not a curriculum, it is a book. It’s called Tactics: A Game Plan for Discussing Your Christian Convictions by Gregory Koukl. Koukl is the chief apologist and president of Stand to Reason. Tactics is a simple but […]

New 35% Discount for Schools and Homeschool Co-ops

Monday, March 4th, 2013

We now offer a 35% discount to schools and homeschool co-ops for orders of our books The Fallacy Detective and The Thinking Toolbox (and all other Christian Logic products) in quantities of four or more per title. You must order at least 4 copies of any one title. Products The Fallacy Detective . . . […]

How to Stop a Fight With Logic

Monday, March 4th, 2013

This is a story about how to use logic to stop fights and end quarrels. As we tune in, Tina and Meg are talking about the homeschool support group meeting they both attend . . . Tina: Every time I bring the twins to the support group, I get the impression Barb thinks they’re out […]

Free Lecture from Introduction to Logic

Friday, October 19th, 2012

Here is a free lecture from the Introduction to Logic course at Liberty Classroom.

Logic in Russia

Sunday, October 7th, 2012

Dear Bluedorns, I am a missionary in Russia, and have had the fun of reading The Fallacy Detective with my teenage daughter this year, as part of her homeschool program. Recently, I’ve had several opportunities to address public school teachers and university professors in our city. This is rare in Russia, where educational institutions are […]

Logic for a Ten-Year-Old

Thursday, September 27th, 2012

Thank you for reviewing the logic books listed on your website. I notice they’re for middle/high school aged students, which makes sense, given the nature of formal logic. However, I’m hoping to start with younger students to build a foundation. Do you know of any good books on guiding an instructor on the scope and […]

Equivocation — A Logical Fallacy

Monday, September 17th, 2012

“When I use a word,” Humpty Dumpty said, in rather a scornful tone, “it means just what I choose it to mean – neither more nor less.” “The question is,” said Alice, “whether you can make words mean so many different things.” “The question is,” said Humpty Dumpty, “which is to be master – that’s […]


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