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Topic: Blackboard bold


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  Encyclopedia: Blackboard bold
Blackboard bold is a style of typeface often used for certain symbols in mathematics and physics texts, in which certain lines of the symbol (usually vertical, or near-vertical lines) are doubled.
Blackboard bold is a style of typeface often used for certain symbols in mathematical texts, in which certain lines of the symbol (usually vertical, or near-vertical lines) are doubled.
Blackboard bold is a type of font often used for certain symbols in mathematical texts, in which certain lines of the symbol (usually vertical, or near-vertical lines) are doubled.
www.nationmaster.com /encyclopedia/Blackboard-bold   (1851 words)

  
 Encyclopedia article: Blackboard bold   (Site not responding. Last check: 2007-11-07)
Blackboard bold is a style of typeface (A specific size and style of type within a type family) often used for certain symbols in mathematical (additional info and facts about mathematical) texts, in which certain lines of the symbol (usually vertical, or near-vertical lines) are doubled.
The symbols usually describe sets of number (A concept of quantity derived from zero and units) s and are also referred to as double struck, although attempting to produce them by double striking on a typewriter (Hand-operated character printer for printing written messages one character at a time) is unlikely to give satisfactory results.
In some texts, these symbols are simply shown in bold (A typeface with thick heavy lines), and flboard bold in fact originated from the attempt to write bold letters on flboard (Sheet of slate; for writing with chalk) s in a way that clearly differentiated them from non-bold letters.
www.absoluteastronomy.com /encyclopedia/b/bl/blackboard_bold.htm   (985 words)

  
 Talk:Blackboard bold - Wikipedia, the free encyclopedia
It makes it clear that most of the common usages of flboard bold are related to one another.
Is it common to use the flboard bold G for the Gaussian integers Z[i] ?
The standard is to use bold and not flboard bold letters for vectors.
en.wikipedia.org /wiki/Talk:Blackboard_bold   (614 words)

  
 Naive set theory
A flboard bold capital Z () often represents this set (for the German Zahlen, meaning numbers, because I is used for the set of imaginary numbers).
A flboard bold capital Q () often represents this set (for quotient, because R is used for the set of real numbers).
A flboard bold capital A () or a Q with an overline often represents this set.
pedia.newsfilter.co.uk /wikipedia/n/na/naive_set_theory.html   (1870 words)

  
 TeX Frequently Asked Questions -- question label "numbersets"
A set of flboard bold capitals is available in the AMS msbm fonts (msbm is available at a range of design sizes, with names such as msbm10).
An alternative source of Type 1 fonts with flboard bold characters may be found in the steadily increasing set of complete families, both commercial and free, that have been prepared for use with (La)TeX (see "choice of outline fonts").
The mathpazo family includes a "mathematically significant" choice of flboard bold characters, and the fourier fonts contain flboard bold upper-case letters, the digit '1', and lower-case 'k'.
www.tex.ac.uk /cgi-bin/texfaq2html?label=numbersets   (507 words)

  
 Re: History of blackboard bold?
Produce the flboard >> bold R by typing an I and an R close together.
As an attempt to narrow the >date of origin I recall not seeing this as an undergraduate at a >mathematically sophisticated school in the early 1960's but >encountering it as a graduate student in the mid-60's.
Most articles in my field (complex analysis) don't have any other bold C in them and a simple bold letter C would be quite sufficient.
www.usenet.com /newsgroups/sci.math/msg09914.html   (352 words)

  
 Blackboard bold   (Site not responding. Last check: 2007-11-07)
Jeff McDonald University Wire 09-09-1998 (Daily Texan) (U-WIRE) AUSTIN, Texas -- The last time a Texas football player made as bold of a prediction as Aaron Humphrey was quoted as making this week, the Longhorns pulled off one of the biggest upsets in school...
Prof Michael Barber, head of the school standards taskforce, said: We are interested in bold initiatives to raise standards in these schools.
For four years, U.S. News has been reporting on the progress of a bold school-reform effort in Rochester, N.Y. The latest evidence from that struggling school system suggests...
hallencyclopedia.com /Blackboard_bold   (725 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
Any mathematician will instantly recognize that a "flboard bold" R means the set of real numbers.
A bold face R carries no such automatic meaning (it would be inconvenient if it did) and you'll have to explain what you mean by it.
"Blackboard Bold" may have originally been a convention for bold face, but that's not what it means {\it now}.
www.math.utah.edu /ftp/pub/tex/pub/texhax/texhax90.034   (1713 words)

  
 1: Known problems with Version 2.x   (Site not responding. Last check: 2007-11-07)
The spacing in the flboard bold, calligraphic and slant fonts is incorrect on screen.
Including a character in flboard bold in the caption of a figure causes TeX to give a DVI Not Created message when the document is previewed or printed.
If you use a flboard bold character or any other AMS character anywhere else in your document as well as in a figure caption, your document will compile.
www.tcisoft.com /techtalk/buglist.html   (2335 words)

  
 [No title]
It is shown here how to use all the fonts both in normal and bold versions (except for Blackboard bold, which doesn't have a bold version).
Also Blackboard bold font \verb+\Bbb+, defined in {\tt amsfonts.sty}, is used to denote the set of real numbers.
These are \begin{itemize} \item Euler fraktur, \item Euler roman, \item Euler script, \item Blackboard bold, \item University of Washington cyrillic, \end{itemize} It is shown here how to use all (but Blackboard bold) the fonts both in normal and bold versions.
sites.huji.ac.il /tex/nfsslatex.txt   (3350 words)

  
 288: Enter the symbol for real numbers   (Site not responding. Last check: 2007-11-07)
If Blackboard bold is not available on the popup list, then start a new document.
However, the Blackboard bold text tag is not available in SNB.
You can also obtain the real number symbol and several other Blackboard bold symbols that can be used in SNB by downloading the document RealNumberSymbolsSN30.tex.
www.mackichan.com /techtalk/V30/30ts74.htm   (206 words)

  
 [tex-live] Re: Problem with 11pt Blackboard Bold in TeXLive 2004   (Site not responding. Last check: 2007-11-07)
I think we'd all be grateful to anyone who had a proper fix, though.
The Blackboard Bold typeface is a historical fudge in any case - whose origin is the pseudo-bold characters that mathematicians and others wrote on flboards with chalk because drawing proper bold glyphs would have been too much effort.
Some Blackboard Bold glyphs such as N, Z, R etc.
www.tug.org /mail-archives/tex-live/2005-March/007785.html   (330 words)

  
 TeX Frequently Asked Questions - Section 13
A set of flboard bold capitals is available in the AMS fonts ``msam'' (e.g.
Another complete set of flboard bold fonts, the bbold family, is available in METAFONT (in
This set has the interesting property of offering flboard bold forms of lower-case letters, something rather rarely seen on actual flboards.
www.fifi.org /doc/tetex-base/texmf/help/faq/uktug-faq/texfaq_13.html   (2106 words)

  
 Trivial Errors   (Site not responding. Last check: 2007-11-07)
Page 40: There are two "Blackboard Bold" R’s missing in Table 1.1.
Page 186: On line 10, an "R" that is in bold should be in flboard bold.
Page 200: The "S" in parentheses in the subsection heading should be in bold italic font, similar to the ones in the subsection heading on page 198.
www.sju.edu /~dhecker/trivial.html   (568 words)

  
 Office Help Videos   (Site not responding. Last check: 2007-11-07)
Your screen resolution should be set to at least 800 x 600 for effective viewing.
Part 1: how to use HTML style tags in Blackboard.
Part 2: How to link to a url using HTML within Blackboard.
www.palomar.edu /at/office.htm   (605 words)

  
 The Blackboard Bold and Its Relatives   (Site not responding. Last check: 2007-11-07)
Advanced Topics The Blackboard Bold and Its Relatives
Blackboard bold, also called double struck, is a typeface in which certain lines of the symbol (mostly vertical, or near-vertical lines) are doubled.
Again, you can view the output in either DVI, PostScript or PDF format, and the.aux and the.log files are included.
www.cs.technion.ac.il /~yogi/Courses/CS-Scientific-Writing/examples/bbbold/bbbold.html   (108 words)

  
 5.2 Text for mathematical symbols   (Site not responding. Last check: 2007-11-07)
Note that flboard bold is available only in upper case and requires the amsfonts package.
Remember that it is used because it is difficult to write boldface on the flboard.
Also \mathbf cannot be used to obtain bold math italic letters and, more importantly, cannot bold most greek letters.
www-users.york.ac.uk /~jb35/LATFORECsu12.html   (151 words)

  
 Natural number
The term whole number is used informally by some authors for an element of the set of integers, the set of non-negative integers, or the set of positive integers.
Mathematicians use N or (an N in flboard bold) to refer to the set of all natural numbers.
This set is infinite but countable by definition.
www.fact-index.com /n/na/natural_number.html   (1096 words)

  
 Number - Music Voyager Travel Guides : Information Portal   (Site not responding. Last check: 2007-11-07)
If all infinite and non-repeating decimal expansions are included, one obtains the real numbers R, which are in turn extended to the complex numbers C in order to be able to solve all algebraic equations.
The above symbols are generally written in flboard bold.
Newer developments are the hyperreal numbers and the surreal numbers which extend the real numbers by adding infinitesimal and infinitely large numbers.
www.musicvoyager.com /info/nu/Number.html   (360 words)

  
 Blackboard Bold Fonts for the Web   (Site not responding. Last check: 2007-11-07)
This directory contains transparent GIF images of the BlackBoard Bold fonts - A — Z. To use, simply put in a reference to the appropriate letter b#.gif where # represents the letter you want to use.
flboard C in the midst of text, you will note that it appears offset on the baseline as well as twice as large as the normal text.
I've cropped the GIF images so that there is no "top" on them.
www.csit.fsu.edu /~mimi/images/Blkbd-fonts   (126 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
John Hobby suggested a fix which NGB inserted at the top of the file.
Corrected: 5-NOV-1991 NGB Version: 2.1a %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Reported: 27-SEP-1991 xbbold characters There is an incompatibility between the code for Blackboard Bold and the code in Karl Berry's modes.mf.
The result is that characters generated with a magnification other than \magstep0 come out larger than they should.
odur.let.rug.nl /alfa/tex-old/fonts/ams/amsfonts.bug   (434 words)

  
 [No title]
The main caveat is that except for the most common symbols, the commands may vary amongst different versions of TeX. For example, in LaTex, to make the normal subgroup symbol, you use \lhd and in AMS-TeX you would use \vartriangleleft.
The cool Z, Q, R, and C that people use for the integers, rationals, reals, and complexes are available in AMS versions of TeX as flboard bold letters (e.g.
Here there is an extra incentive: what if you give your TeX source to a friend and they don't like the flboard bold R? (Unfortunately, such people exist.) Then it's easier to change, too.
www.math.ucsd.edu /~thesis/tex.faq   (2159 words)

  
 Personal TeX, Inc. "S" Packages
These fonts are available in all point sizes and look nicer for such ``intermediate'' document sizes as 11pt.
The package sbbm is an alternative to access the bbm fonts, a nice collection of flboard bold symbols.
This package enables the use of small capitals in different font shapes, e.g., slanted or bold slanted for all fonts that provide appropriate font shapes.
www.pctex.com /packages/S.html   (1756 words)

  
 Fonts for mathematics   (Site not responding. Last check: 2007-11-07)
bbm is a serifed flboard bold math symbol (meta)font by Gilles F. Robert from Ecole Normale Supérieure in Lyon.
bbold is a flboard bold math symbol font written in metafont by Alan Jeffrey in 1994.
"doublestroke" is Olaf Kummer's flboard bold math symbol font in metafont format.
cgm.cs.mcgill.ca /%7Eluc/math.html   (7202 words)

  
 Book Typography   (Site not responding. Last check: 2007-11-07)
They also have a few defects from my point of view, e.g., the arrows need to be magnified to look right, and the flboard bold symbols are only a slight improvement on the AMS flboard bold.
(I have yet to find a really good flboard bold font.) But overall I'm pleased with the Lucida Bright fonts.
The drawings in the book are done using Adobe Illustrator and inserted as eps files.
www.math.cornell.edu /~hatcher/AT/typography.html   (1007 words)

  
 Page web d'Anthony Phan, MetaFoundry
Conversion to other formats (postscript, type 1) does not concern me. Most of these fonts would loose most of their interest (if any) doing such conversions without hints.
Those flboard fonts are at the origin of my MetaFont programming.
The two main series are mbb (flboard light fonts) and mbbx (flboard bold extended fonts).
www-math.univ-poitiers.fr /~phan/metafont.html   (870 words)

  
 98 Serial Number   (Site not responding. Last check: 2007-11-07)
The real numbers can be extended to the complex numbers C, which leads to an algebraically closed field in which every polynomialwith complex coefficients can be completely factored.
The above symbols are often written in flboard bold, thus:
Complex numbers can, in turn, be extended to quaternions, but multiplicationof quaternions is not commutative.
www.eurostudent.net /info/19932-98-serial-number.html   (725 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
This means that these fonts are loaded for the % particular size whenever a size or version switch is requested by % the user.
At the present time bold forms of these fonts don't % exist.
So there are no overriding \cs{SetSymbolFont} commands for % mathversion `bold'.
web.lemoyne.edu /courseinformation/emtex/dist/amsfonts/latex/amsfonts.dtx   (1699 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
The Euler fonts in sizes smaller than 10 point were beefed up a bit so that they stand out more when used in subscripts and superscripts with 10 point text.
The Metafont code for Blackboard Bold was changed so that these characters are much improved at low resolutions.
Blackboard Bold characters on your screen or dot-matrix printer will no longer be ugly and unrecognizable.
www.math.psu.edu /local_doc/psu.dept.math-archive   (11417 words)

  
 [No title]
bbold.mf is Alan Jeffrey's flboard bold font, and contains both upper and lower case.
ftp: ctan: tex-archive/fonts/bbold/* There are serifed Blackbord bold fonts by D. Taupin, containing the full cm character set in ftp: ctan: tex-archive/fonts/bbm Subject: Calligraphic twcal is a calligraphic font with many ligatures and alternate letter-forms, and includes TeX macros.
The skt-series of fonts are written in METAFONT and include feint, normal and bold weights, together with slant and upright styles.
www.tex.ac.uk /tex-archive/help/metafont-list   (3154 words)

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