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Author	Topic: What is it called
Geordie Super Geek Posts: 161 From: Fairfax Station, VA, USA Registered: Nov 2001	posted March 12, 2002 14:27 I have given up all hope. What is the name for the therefore (Unicode 61532 or back slash in the symbol font) symbol? You know the one that is three dots in the shape of a triangle. One of my coworkers says it stands for a greek phrase, but I can't find anything on it. At this point I am starting to think that Johann Rahn just made it up in Teusche Algebra. IP: Logged
EngrBohn Highlie Posts: 709 From: United States Registered: Jul 2000	posted March 12, 2002 14:54 LaTeX just calls it code: \therefore It may not have a real name. ------------------ cb Oooh! What does this button do!? IP: Logged
ConfusedGeek unregistered	posted March 12, 2002 16:08 Are you sure thats the right #? according to www.unicode.org char 0x2234 is the THEREFORE symbol (3 dots in triangle pointed up) 61532 (0xF05C) is in the reserved range IP: Logged
Geordie Super Geek Posts: 161 From: Fairfax Station, VA, USA Registered: Nov 2001	posted March 13, 2002 05:18 You are right about the Unicode numbering. The number I gave was what MS Word said the characters Unicode number was. I should have known to double check that. IP: Logged
The Pope of Perl Geek Apprentice Posts: 42 From: Terra Registered: Feb 2002	posted March 13, 2002 18:25 Well, here's all I could find about it: According to http://mail.mcjh.kl.edu.tw/~chenkwn/mathword/set.html "The therefore symbol was first published in 1659 in the original German edition of Teusche Algebra by Johann Rahn (1622-1676) (Cajori vol. 1, page 212, and vol 2., page 282)." ------------------ He's back, and this time it's personal! IP: Logged
GameMaster Geek Posts: 93 From: State of insanity Registered: Mar 2002	posted March 16, 2002 01:38 It's actually from logic, too. It is the "conclution thingy," oh wait that is just what I call it... sorry. IP: Logged
Evilbunny Highlie Posts: 645 From: A Calculus book near you... Registered: Nov 2001	posted April 04, 2002 19:19 It means "therefore" or in conclusion! It is used at the end of proofs. Now what does Q.E.D. mean? I completely forgot! help! IP: Logged
EngrBohn Highlie Posts: 709 From: United States Registered: Jul 2000	posted April 05, 2002 05:19 Quod Erat Demonstrandum (though, I personally prefer "Quite Easily Done") ------------------ cb Oooh! What does this button do!? IP: Logged
spungo Alpha Geek Posts: 270 From: Hell's toilet Registered: Jan 2002	posted April 05, 2002 05:29 quote: Originally posted by EngrBohn: Quod Erat Demonstrandum (though, I personally prefer "Quite Easily Done") It sort of means...'that proves the thing that we set out to prove.' Not quite the same as 'therefore'. 'Therefore' implies a single logical step - QED implies an argument - a series of steps. ------------------ "Time is an illusion. Lunchtime doubly so." IP: Logged
kyle_beatty Geek Apprentice Posts: 41 From: Registered: Apr 2000	posted April 05, 2002 13:02 Wouldn't code: /therefore mean the same as Latin ergo IP: Logged
supaboy SuperBlabberMouth! Posts: 1250 From: Columbia, SC, USA Registered: Jan 2000	posted April 05, 2002 16:11 quote: Originally posted by Evilbunny: Now what does Q.E.D. mean? I completely forgot! help! A fine man told me it stood for quantum electrodynamics. IP: Logged

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