Logic Puzzles by the Dozen Volume II

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The book takes readers on an adventure to explore other realms with about 30 mazes to solve along the way. Solving the mazes is integral to the story line as you and your whole family embark on an important quest. Work to gather up missing pieces of a sword that is pivotal to the story.

Avoid or confront the bad guys. Uncover hidden treasure. Look at interesting landscapes.

20 Mystery Riddles And Logic Puzzles To Exercise Your Brain!

And enjoy the copious humor that will be enjoyable for both kids and adults. Mazes by themselves are very fun, but with the added features of heavy theming and an overarching story line, this book will be one that kids will come back to repeatedly. Puzzle books are a great gift for all the geeks and geeklings in your life. Get the Official GeekDad Books! She is a lifelong geek who spends her time learning, writing, homeschooling her two wickedly smart kids, losing herself in history, and mastering the art of traveling on a shoestring.

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Favorite math puzzles for kids

Site Designed by Polaris Marketing and Creative. Puzzle Ninja Logic puzzles have always been a favorite of mine. Maze Quest For the younger crowd who like fantasy stories and mazes, Maze Quest is a perfect blending of the two. Note: Copies of these books were provided for review purposes.

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Geometry Worksheets. Solar System and Planets. Science Theme Units. Handwriting Worksheets and Handwriting Based Activities. Time Worksheets. Spelling Words. Community Maps. Make Word Search Puzzles. Graphic Organizers Printables - Print them. Note 3 : An essentially equivalent version of the logic puzzle is also given at the xkcd web site.

Below the fold are the two putative solutions to the logic puzzle. If you have not seen the puzzle before, I recommend you try to solve it first before reading either solution. GM , math. IT , math. LO Tags: blue-eyed islander puzzle , common information , logic puzzle , mathematical induction by Terence Tao comments. Given that there has recently been a lot of discussion on this blog about this logic puzzle, I thought I would make a dedicated post for it and move all the previous comments to this post.

The text here is adapted from an earlier web page of mine from a few years back. The interesting thing about this puzzle is that there are two quite plausible arguments here, which give opposing conclusions:.

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Create a free website or blog at WordPress. Ben Eastaugh and Chris Sternal-Johnson. Subscribe to feed. What's new Updates on my research and expository papers, discussion of open problems, and other maths-related topics. Tag Archive. I decided to start with one of the simplest types of logical argument and one of the few that avoids the disjunction problem mentioned in the previous post , namely the Aristotelian logic of syllogistic reasoning , most famously exemplified by the classic syllogism: Major premise: All men are mortal.

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Minor premise: Socrates is a man. Conclusion: Socrates is a mortal. Here are four examples of such sets: Babies are illogical; Nobody is despised who can manage a crocodile; Illogical persons are despised. My saucepans are the only things that I have that are made of tin; I find all your presents very useful; None of my saucepans are of the slightest use.


No ducks waltz; No officers ever decline to waltz; All my poultry are ducks. Here is a typical screenshot: Unfortunately, the gameplay is somewhat clunkier than in the algebra game , basically because one needs three or four clicks and a keyboard press in order to make a move, whereas in the algebra game each click corresponded to one move.

One day, a blue-eyed foreigner visits to the island and wins the complete trust of the tribe. One evening, he addresses the entire tribe to thank them for their hospitality. The puzzle has a number of formulations, but I will use this one: There is an island upon which a tribe resides. What effect, if anything, does this faux pas have on the tribe? The interesting thing about this puzzle is that there are two quite plausible arguments here, which give opposing conclusions: [Note: if you have not seen the puzzle before, I recommend thinking about it first before clicking ahead.

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