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Posted 24 June 2009

THE LANGUAGES OF MATHText Box: In science one tries to tell people, in such a way as to be under¬stood by everyone, something that no one ever knew before.  But in poetry, it's the exact opposite.  --Paul Dirac

Mathematics in the English-speaking world is communicated using two languages:

¨     Mathematical English is a special form of English.

·       It uses ordinary words with special meanings.

·       Some of its structural words (“if”, “or”) have different meanings from those of ordinary English.

·       It is both written and spoken.

·       Other languages also have special mathematical forms.

¨     The symbolic language of math is a distinct, special-purpose language.

·       It has its own symbols and rules that are rather different from spoken languages.

·       It is not a dialect of English.

·       It is largely a written language.  Simple expressions can be pronounced, but complicated expressions may only be pointed to or referred to.

·       It is used by all mathematicians, not just those who write math in English.   

 Math in writing and in lectures involve both mathematical English and the symbolic language embedded in each other and referring back and forth to each other. 

 

 

Contents

The languages of math are covered in three chapters, each with several parts.  Some things are not covered; see notes.

 

    Mathematical English

        Assertions

        Names

        Glossary:  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 

    The symbolic language of math

Symbolic expressions  1

Grammar of the symbolic language  2

Variables

Substitution

                 Symbols

            Alphabets 

            Delimiters

            Other symbols

 

    More about math languages 

Context 1

Embedding. 6

 Displayed symbolic expressions. 6

 Parenthetic assertions. 6

Preconditions and postconditions  9

Incomplete notation. 16

Suppression of parameters. 16

Synecdoche. 16

Overloaded notation. 17

Redundancy. 17

     Parameters

Intent of assertions

Variations in meaning

     Conventions

     Defaults

     Scope

Speaking math     

Links

¨  Gyre&Gimble, a blog about math and language by Charles Wells

¨  Earliest Known Uses of Some of the Words of Mathematics, by Jeff Miller

¨  The Handbook of Mathematical Discourse, by Charles Wells

¨  The history of mathematical symbols, by Douglas Weaver

¨  The language and grammar of mathematics, by Timothy Gowers

¨  Mathematical notation: past and future, by Stephen Wolfram

¨  On the communication of mathematical reasoning, by Atish Bagchi and Charles Wells.

¨  Varieties of mathematical prose, by Atish Bagchi and Charles Wells

 

References

   Barton, Bill (2009), The Language of Mathematics: Telling Mathematical Tales. Springer.

Bullock, J. O. (1994), ‘Literacy in the language of mathematics’. American Mathematical Monthly, volume 101, pages 735743.

de Bruijn, N. G. (1994), ‘The mathematical vernacular, a language for mathematics with typed sets’. In Selected Papers on Automath, Nederpelt, R. P., J. H. Geuvers, and R. C. de Vrijer, editors, volume 133 of Studies in Logic and the Foundations of Mathematics, pages 865  935.  

Epp, S. S. (1999), ‘The language of quantification in mathematics instruction’. In Developing Mathematical Reasoning in Grades K-12. Stiff, L. V., editor (1999),  NCTM Publications.  Pages 188197.

Gillman, L. (1987), Writing Mathematics Well. Mathematical Association of America

Higham, N. J. (1993), Handbook of Writing for the Mathematical Sciences. Society for Industrial and Applied Mathematics.  

Knuth, D. E., T. Larrabee, and P. M. Roberts (1989), Mathematical Writing, volume 14 of MAA Notes. Mathematical Association of America.

Krantz, S. G. (1997), A Primer of Mathematical Writing. American Mathematical Society.

O'Halloran, K. L.  (2005), Mathematical Discourse: Language, Symbolism And Visual Images.  Continuum International Publishing Group.

Schwartzman, S. (1994), The Words of Mathematics. American Mathematical Society.

Schweiger, F. (1994b), ‘Mathematics is a language’. In Selected Lectures from the 7th International Congress on Mathematical Education, Robitaille, D. F., D. H. Wheeler, and C. Kieran, editors. Sainte-Foy: Presses de l’Université Laval.

Steenrod, N. E., P. R. Halmos, M. M. Schiffer, and J. A. Dieudonné (1975), How to Write Mathematics. American Mathematical Society.

Stiff, L. V., editor (1999), Developing Mathematical Reasoning in Grades K-12. NCTM Publications.

Notes

¨  Math communication also uses pictures, graphs and diagrams, which abstractmath.org doesn’t discuss.  The book by O’Halloran goes into considerable detail about the way pictures and math language refer to each other.

¨  We also don’t cover the history and etymology of mathematical notation.  See the book by Schwartzmann and the links to Miller, Weaver and Wolfram.