Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**logical1****Member**- Registered: 2012-11-02
- Posts: 3

Love logic and puzzles (obviously ), this looks to be a fun place to exercise the brain!

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 95,987

Hi logical1;

Welcome to the forum!

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

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**noelevans****Member**- Registered: 2012-07-20
- Posts: 236

Hi! Welcome aboard!

Have you run across G. Spencer Brown's "Laws of Form" and his notation for two-valued logic?

It introduces a notation that uses a single symbol (in addition to the p,q,r,... for statements) to

represent and, or, implies, if and only if, not, and the truth value "T". The system of notation is

phenomenal and makes calculations of truth values extremely easy. Paying attention only to the

notational system and its rules of operation is really neat. But trying to understand his more or

less (according to me) "philosophical" language of "distinctions, crossings" etc is another matter.

I gave up on it and just took the notational system and ran with it. Works really great. Oh, and

the one symbol also does grouping.

I think there are sites where you can download it for free. Enjoy!

Writing "pretty" math (two dimensional) is easier to read and grasp than LaTex (one dimensional).

LaTex is like painting on many strips of paper and then stacking them to see what picture they make.

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,922

Hi logical1

Welcome to the forum!

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,646

Hi.

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 17,009

Hi logical1,

**Welcome to the forum!**

Character is who you are when no one is looking.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,020

hi logical1

Welcome to the forum!

This is a great place to exercise the brain. I'm still 'overheating' on phrontister's puzzles.

Bob

Next job. Look at the Sam Loyd puzzle you mention.

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**Calligar****Member**- Registered: 2011-09-24
- Posts: 234

Hi logical1!

Welcome to the forum!

So far I like the games here, although, admittedly, I haven't done many. Hope you enjoy the games in that case!

Life isnt a simple Math: there are always other variables. -[unknown]

But Nature flies from the infinite, for the infinite is unending or imperfect, and Nature ever seeks an end. -Aristotle

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**mathgogocart****Member**- Registered: 2012-04-29
- Posts: 1,448

hi!

Hey.

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