16 posts tagged with math and logic.
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Cheat like a fox.

I have always been really bad at really simple games, like the ones where there are generally sound mathematical strategies for playing the optimal game. I'd like to compile a little mental rolodex of simple games and their solutions so I can feel smugly superior to any small children who seek to challenge me. [more inside]
posted by phunniemee on Oct 1, 2014 - 16 answers

Maximum sum of numbers, one from each set, with constraints

Working on a personal project, I am running into a number of math problems of the kind described within. I am not a math expert, so I don't know what to call these kinds of problems, so I don't know how to search for information about them. [more inside]
posted by moonroof on Jun 23, 2014 - 11 answers

Fallacies and Errors in Inferential Statistics

I have recently been introduced to the concept of pseudoreplication as a mistake that people often make when using inferential statistics to evaluate treatment outcomes. My field (evolutionary and conservation biology) makes heavy use of inferential statistics, including techniques that are vulnerable to pseudoreplication, yet nowhere in my formal education have I been taught about how poor experimental design and lack of statistical rigor can lead to fallacies like this. My personal statistical proficiency is poor, but I am working to remedy that. To that end, could folks help me by identifying and ideally explaining whatever other potential pitfalls you can think of, and explaining how they can be avoided through careful experimental design and data-analysis?
posted by Scientist on Jan 26, 2013 - 5 answers

Help me understand a little logic problem.

Help me understand this. Math/logic puzzle follows... [more inside]
posted by TheHollowSeasThatRoar on Sep 5, 2012 - 6 answers

The Limits of Flatness

Are there an infinite number of 2D shapes? [more inside]
posted by mwachs on Jul 19, 2012 - 17 answers

Pie is greater than not pie.

I'm trying to express my love for a certain dessert in a math/logic formula. I have this: π > ∼π , which I take to mean "Pi is greater than not Pi", and this: π > ∞-π, which I take to mean "Pi is greater than Everything but Pi". Do these make any sense or hold up in any legit way?
posted by TheCoug on Mar 5, 2011 - 15 answers

Dyscalculia and logic class

I have a learning disability (dyscalculia/mathematics disorder). Could I handle the formal language component of an undergrad Introduction to Logic class? [more inside]
posted by autoclavicle on Nov 23, 2010 - 19 answers

What is the next step of this Kenken?

What is the next step of this Kenken? [more inside]
posted by johnofjack on Jan 30, 2010 - 23 answers

Help me learn to typeset equations like it was my job. (Why? Because it is.)

I am looking for a math typesetting style guide. By this I don't mean the kind of stylesheet for journal submissions that says "Be sure to use the blah-blah-blah LaTeX package and the XYZ equation environment, and our army of editorial assistants will tie up the loose ends and knock off the rough edges." (Why not? Because my advisor is involved in starting a new journal, and suddenly my labmates and I are that army of editorial assistants.) [more inside]
posted by nebulawindphone on Nov 4, 2009 - 11 answers

∃x∀y∃z[Qx∧(My→Pyx)∧Wz ∧Pzx] ∨ ∃x[Qx∧∀y(My→Pyx)∧∃z(Wz∧Pzx)]?

∃x∀y∃z[Qx∧(My→Pyx)∧Wz ∧Pzx] ∨ ∃x[Qx∧∀y(My→Pyx)∧∃z(Wz∧Pzx)] ? [more inside]
posted by ed\26h on Sep 6, 2009 - 9 answers

Where's a good logic puzzle discussion forum?

I recently ran across a wonderful logic puzzle, but no solution was provided. I eventually worked out a complete solution myself, but it was rather ugly, and I would like to see if people smarter than me can come up with something more elegant. Are there any good Internet puzzle discussion forums floating around? [more inside]
posted by sappidus on Oct 11, 2008 - 13 answers

Does the study of math sharpen critical thinking skills?

If a man’s wit be wandering, let him post a question about mathematics and reasoning to MetaFilter. [more inside]
posted by jason's_planet on Sep 25, 2007 - 20 answers

looking for a sign

Is there a symbol for the phrase "and/or"? [more inside]
posted by jak68 on Sep 15, 2007 - 19 answers

math-and-logic-filter: only two more floors - I'm almost there! or am I?

math-and-logic-filter: only two more floors - I'm almost there! or am I? [more inside]
posted by krautland on Jul 20, 2007 - 31 answers

Scheduling bocce ball league.

Help my friend schedule his bocce leauge: 8 bocce ball teams meet weekly, playing 8 games a week over 4 timeslots (7pm, 8pm, 9pm, 10pm) in 2 courts (courts E and W). [more inside]
posted by ao4047 on Apr 10, 2006 - 2 answers

The limits of logic

I've read that Gödel's incompleteness theorem shows that there are definite limits to what logic, mathematics and by extension computers can do. This seems to be unknown among humanists such as myself. What are the things logic cannot do? Earlier AskMe questions about Gödel here and here (this answer is especially good).
posted by Termite on Apr 5, 2006 - 50 answers

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