History of Mathematics
Transcription
History of Mathematics
;- "All men by nature, history tllroughtout desire to know."l the need to know has been a prime source of I governing mens actions. izations, it has started wars, and it has led man to his ultimate the causes control This need has founded civil- of his environment 1 and developments of mathematics. with early Egypt and Babylon, and finally the 17th century to Babylon, through modern in the development where ancient methods dynasty, around 1700 B. C .. nor Rome advanced arithmetic developed existed Greece, times; I of mathematics. of mathematics land numeration, geometry Starting then on to classical will trace the need and development "Priority I shall examine belongs algebra, and at least from the Hammurabi beyond although ,,2 the level of elementary and mensuration."] mostly practical "Neither Egypt These ancient civilizations mathematics, even upon modern mathematics, practical but thier effect, is still enormous. shall cover both the need and the methods I used in this ancient mathematics. "There is little doubt that mathematics necessity. example, The annual flooding arose from of the Nile valley, forced the ancient Egyptions to develop for some 1 Aristotle 2 "Mathematics, History", volume 11,page 642 J Ibid Encyclopedia Britannica, system of reastablishing land boundries.,,4 Increased barter increased the need for early practical arithmatic.5 The need for a calender, if a basic one, led to development in mathematics; "'theastronomy of the old Babylonian period was just adequate for maintaining the calender, on which the irragation system supporting the civilization depended.,,6 Civilization and mathematics are inseperable i. ~. "Mathematics beyond primitive counting originated wi*n the evolution of advanced form ..:-t)f society. 7 It As Aris-t.Q)tle once pointed out; a civilization is necessary "to; Sl'eperatea thinking class from the working class. Early mathematios~consisted trfual and error. almost exclusively of Early Egyptian mathematics was geometry.8 The Egyptians also developed formulas for the areas and volumes of many shapes, but used trial and error rather than proofs, so they were not entirely correct in their formulas. 9 The Babyloneans were only more advanced than the Egyptians. "The Babylonians were interested in number relations beyond the merely practical mathematics. ,,10 i. e. "An old Babylonian text (1700 B. C. ) investigates 4 "Mathematics", Encyclopedia Americana, volume 17, page 392 5 Ibid 6 Michal Moffatt, The ages of Mathematics vol. 1, Page 35 7 "Mathematics",Encyclopedia Americana, volume 17, Page 388 8 The word geometry is from a ~reek word meaning _."measure of the land". 9 Michal Moffatt, The ages of Mathematics vol. 1, page 43 10 Ibid 3 triples of Pythagoran that is, numbers satisfying a2 + b2 :::c2 .,,11 "The facility of the relationship numerical numbers; computation, as the result of the place value notation, is everywhere visible in Babylonian mathematics."l~ The Babylonians had a sort of combination between base 10 and base 60 with a zero.13 The acomplishments of ancient Greece dwarfed those of Egypt and Babylon, and rival the achievements 17th and 18th centuries! It was during this period that such great men as Pythagoras, lived. "The Greeks insisted must be established deductive Euclid, and Archimedes that mathematical facts not by empirical procedures reasoning.,,14 terms, axioms, theorems of the but by This led to a system of undefined et cetera.15 Although most \~ Greek mathematic; "Purely algebraic notation had been \ 11 "Mathematics, History", volume 11, page 644 Encyclopedia Britannica, 12 Ibid 13 Bases are a part of the place value notation, that is the position of each digit tells its magnit~de. For ~xample, t~e number ~94071 means 3 x 10 ". 9 x 10 + 4 x 10 + 0 x 10 +7 x 10 + 1 x 1. If we were to write a number in another base besides base 10 ~t would be like:2 13702 (base 8) equals 1 x 8_+ 3 x 83 + 7 x 8 + 0 x 8 + 2 ~ 1, of B3AI06 (base 12) = B (11) x 125 + 3 x 124 + A (10) x 123 + 1 x 122+ x 12 + 6 x 1. All bases need the number of different charactors equal to the number of the base (zero is one of the digits). ~ithout zero a place value system cannot exist, the number 57,302, for example, would have to be written 5732, which could mean 500,732 or 5,732,000Qr just 5732 or any number of other things. ° 14 "Mathematics", Page 393 15 Michal Moffatt, page 67 Encyclopedia Americana, The ages of Mathematics volume 17, vol. 1, used by Aristotle in his investigation and liThe concept of area of integration17 even liThe first Miletus.1I19 from the priests. they established After rise in ancient great Thales gave thinker rigorous history to Egypt surpassing and error all their logic 1116 theory times. illS went He was soon he had learned to a near in Greek as a youth by trial of formal was Thales to learn thier and held knowledge, of the methods methods, which in mystic regard. he wil1t)back to Greece and set up a s c h 0 0 1 . In his sc h 0 0 1 he set u pas ci sit ion s (a x i 0 m s) and d e r iv edt h in g s wit h d e due t iv e me.. t hod s .~ ll' rth Thales lived from e. 567 B. to 497 B. the seven Wise men of Greece, one due to politics.22 The next major Greek oras was a student Pythagoras women, formed learn a deductive a school thereV system c. mat~ematician of Thales, in Croton who ~.-I.J1r ~!' /jJp4'f'C, if /$ . d ;d n 't bee 0 m ~, was Pythagoras. he went Pythagto Egypt. and let everyone, furthered building even the work theorems on upon theorems. Pythagoras made five propositions lIP IIMathematics, Historyll, VOLUME 11, page 647 17 Integration 19 Michal Moffatt, page 73 20 Leon 21 Ibid 22 Michal ~3 Perry, Encyclopedia is a function 18 IIMathematics, History", volume 11, page 647 Moffatt, -? The ages he 'proved; from Britannica, of calculus. Encyclopedia The ages The Mathmen, which Britannica, of Mathematics page vol 1, 17 of Mathematics ,);f; . f p r,i-P,:- \.._21/He was one of He soon by Tales, 0 - -- and like Thales for free!23 started ~- on 1 yon the e r ie s vol 1, page 82 J-- /' /,"// 5 known 'facts'. 1) The sum of the angles angles (1800). of a triangle equals two right 2) The sum of the exterior angles four right angles (3600) . of a triangle 3) The sum of the interior a~g~Jf right angles, where n=the~umber a polygon of sides. ..----'" equals equals 2n-4 4) The sum of the exterior angles of any polygon equals four right angles (3600), regardless of the number of sides. 5) Three reqular polygons - a triangle, a square, ana a hexagon - fill the sRace about a point on a plane. There is some question ever. about the validity Not all of the 'facts' Non - Euclidean describes geometry, Einstienian his 'facts' he assumed which space~s ',~ .~ of these to prove is consistant based proofs, how- ~ ~L" them are valed. and actually on the assumption bette~. that ~ '~J are false(..---/Thisdiscussion .is essentially the same)c'\) as that of the parellel postulate25 which I shall discuss much later in thes paper. Any discussion theories of Pythagoras must include his remarkable of numbers. (ypythagOras believed that all things - physical and mental, all nature and all ideas - are built on a pattern of integers. Fractions he did not consider numbers. They were only rotios, relations between numbers. Having discovered the figurate numbers, 24 George Gamow, One, Two, Three, Infinity, page 103 25 Pythagoras's proposition number one and Euclids' parellel postulate can each be proven from the other . IN ~./ " Pythagoeas thought that he proved that geometry itself was formaed on some sort of number pattern. And it followed 'logically', he asserted, that all material things in nature were formed in a si~~ler manner and that -numbers rule the universe.~j Pythagoras of number numbers discovered prime and composite that he discovered are numbers for example, ered the perfect and 8128. numbers 3,550,336, highest of which which 1500 years before Today is over 1300 digits are the sums of each others factors discovered 17 are known, numbers are the only friendly numbers num- They are numbers = i. e. 284 of 284). 1. 2 + of 220), The above that Pythagoras discovered! It was 2000 years before Euler alone 60 pairs and today over 400 pairs ore known. Still another found group of numbers One is the ancestor are female. of numbers, Odd numbers 26 Leon Perry, 87 Ibid another 496 the 'Friendly' 4 + 5 + 10 + 11 +20 + 22 + 44 + 55 + 110 (the factors 220 = 1 + 2 + 4 + 71 + 142 (the factors discov- the next perfect long!27 of Pythagoras. Six, Pythagoras 6 and 28, his students type Perfect the sum of their factors. was discovared. bers are also an invention Another numbers. one plus two plusthree. It was another number, are 'perfect' that equal equals numbers. pair was discoveree! are male and female not a number. are male. The Mathmen, numbers~ Even numbers Five is the marriage page 32 Leonard number -7 because it is the sum of the first female number angular They (2 + 3~. numbers, corespond tagDns square numbers numbers, pentoginal of dots Triangular = 6, 6 + 4 to triangles Square cetera triples c will which 3 on a side, to squares 1. squares, pen- This corresponds of 2 wide, 3 wide, is most of the sides 4 wide 3 then 6 then 7 et are similar. Pythagorean famous for. They are a2 + b2 = c2, and a, b, and the condition be the lengths et cetera. 4 on a side et cetera. by adding The other Pythagoras fulfill in triangles, 15 et cetera. can be obtained are what integers = 10, 10 +5 to the number numbers into tri- I~ correspond which are devided numbers of 2 on a side, numbers et cetera; = and the first are obtained by ading .~~ to the number 1 i. e. 1 + 2 = 3, 2 then 3 then 4 et cetera 3 + 3 number Figurate to patterns et cetera. male of a right triangle. Pythag- oras developed a formula to figure out such numbers: n2 + (~(n2 _ 1))2 = (~(n2 + 1))2 where n is an odd integer. II One day Pythagoras eble fact: fractions!"28 fo~nd there were integer numbers He was making the hypotenuse nor fraction wha-, was to him an incred- which were an icosolese to have a length for. of He, however, irrational. It was Hippasus, proved «to be irrational. Vb et cetera 28 Leon '\ discovered right J2: could integers triangle which Later Theodorus The Mathmen, page 40 proved nor and he found not prove one of Pythagorases to be i rra tiona 1 . Perry, neither it was students, ~ no V5, who liThe famous bution Greek to mathematics he trained his school, the hexahedron hedron possible Eudoxus. theory of concentric to enter thousand (8 sides), circles, which of planets with Another work years. of irrational which become the predecesor IIHe (Aristotle) was universal, 31 Leon Perry, to fol- actually meant The Mathmefl, of Greek of Plato. (4 sides), the dodecaare the only mathematics was an elaborate the earth was He did a large (fractions).3ID His explanation in the center, lasted of his was the development numbers.32 He also did work to modern integral Encyclopedia calculusl33 advanced Britannica, number theory. page 42 32 "Mathematics, Historyll, Encyclopedia vol ume 11, page 64!iY';U 33 Michal Moffatt, page 80 of the had no special field. His knowand he wrote about everything. 29 IIMathematics, Historyll, volume 11, page 645 30 Arithmatic (20 sides) of proportions system ledge In The only the tetrahedron the scene a geometric would mathematicians and music. that a student on the theory as to the movement famous in which (shapes). He was originally of work a school for the students the 6ctahedron polyhedrons amount many is to prove and the icosahedron The next figure contri- of this science.,,29 'roads' arithmatic30, (6 sides), regular no great he did was to show the uniqueness that (12 sides), of so many he had four thing figures; made But he created the creaters geometry, very significant Plato the works among Academy, astronomy, Platonic himself. and directed that he is numbered low: philosopher Thw ages of Mathematics Britannica, vol 1, of He wrote on logic, physics, metaphysics, astronomy, meteorology, botany, zoology, embryology, medicin~, ethics, psychology, politics, economics, and literature. His treaties were used as textbooks in his school. But they were more than that. For they formed an encyclopedia of everything known in his time. This encyclopedia had no peer of rival for 2000 years until the French Encyclopedia in A. D. 1751 - 1765. 34 11 Aristotle which rivaled ebrated the great for gibing his great ematics great who 1 ived from 384 to 322 B. C. , set up a school, Academy!34 us the key to the mastery book on logic, because IIAristotle is that he thought key.1I35 it was complete, Lyceum, has long been celof reasoning. He didn1t write Organon, on Math- but he was still a~~;/ mathematician. , ~~. r:~(J /~s yet, as a mathematician, Euc1ids fame is ~~;f not tcIue to his own research. Few of the theorems in I ~).P his textbooks are of his own. What Euclid did, and what made him great, was to take all the knowledge accumulated in mathematics to his time and codify it into a single work. In doing so, he evolved, as a starting point, a series of axioms and postulates that' ~ ~ we rea d m ira b 1e for the ir brev i ty and e 1ega nc e .II3 l t I 6y "Euc 1ids El ements G r e e k \</ r i tin g son in 300 B. C. su perseded mat hem at ic s .II37 a 11 preced i ng ~ <- ' '-,/)1;1I' ~ ~;- if 'W r ~}, / IIWe kn.ow his (Euclid) Elements, whose influence has .1)£ not been equaled in the history of science. For twentY,.!l centuries, the great mathematicians of Greece, Egypt, .,v Persia, Arabia, and India got their first stimulus from) it. Each pupil copied the manuscripts in order to have ~ one of his own. ' The fir s t pr in ted ed it ion 0 fEu c 1 ida p pea red jus t ten years before Col umbus found the New Worl d. One by ~ one, there followed more than 1000 other editions-in more copies, in more languages, t~an any other book ~, wit h the ex c e p t ion 0 f the Bib 1e /yJ 8 UV fAvfi ;11:.. J ~ r./\ "\' l A ) ~ f 1~ '\\~ 34 Leon Perry, The Mathmen, page Asimov, 37 IIMathematics page 395 38 Leon Perry, ll , Asimov 51 on Numbers, Encyclopedia The Mathmen, 53 < fi~If: page Americana, page I I lvi) vytl r1~) 35 Ibid 36 Isaac W ~ 134 volume 17, ~ ' Very little is known about the background however , known that he taught Museum. in an Egyptian The library of Alexandria, to have had 600,000 papyrus ~Archimedes, scientist Archimedes Despite ancy. He also worked calculus. -- on r~g decimals a challenge 8 equations and invented can be mathematically with of digits long; The law of the lever, concerning said "give my another ~ one" in reference the basic The sand reckoner, which expressed; to a rival, Apollonius, with an answer billions bod~es, feat of his the laws of boy- variables levers; On floating he was He invented and levers and formulated that any number cattle problem, years later."39 A remarkable Some of his major works are: demonstrates was the greatest his many inventions, of differential screw, pulleys, is said times, and hes equal did two thousand in pure mathematics. water limits. of ancient went to Museum. was solving problems called served Museum, the son of an astronomer, Isaac Newton, more interested which university rolls! and mathematician not arise until It is, of Euclid. it has 8 of trillions the behavior set down laws of boyancy. earth to stand on and I shall lift this to the powers weapons of levers and pulleys. including catapult He also remarkable 10 pound stones, cranes which could lift and throw ships, and to hurl ~ ton and ships miles away! 39 Isaac Asimov, of He once designed lenses to ignite The Asimov on Numbers, page 173 J, Starting developed. in the 17th century Algebra a new wave of mathematical was f~lY developed('nd, Some of the greatest men~e~ lived within during Also new light fell upon previous this period. ~ew fields thought invented. k<~Lc" 200 years of each other questions, which were unanswered. One of the largest unsolved postulate. century. It was unproved In 1733 Girolamo Saccheri known to each other independently that no controdiction unsuccesfully or indirectly. in 1829 and the hungarian geometry. ,,39 They followed . J was Euc1lds parellel by the other axioms up to the 17th it by 'reductio ad absurdum' Ivanovich problems discovered similar tried to prove "The 6).ssian Nikolai Johann Bolyai in 1832, un- a non - Euclidean lines as Saccheri but asserted could be found. "It was during the 17th century that John Napier revealed his invention of logarythems. That Galileo Galilei founded the mathematics of dynamics. That Johannes Kepler induced his laws of planetary motion. That Gerald Desargues and Blaise Pascal formulated projective geometry. That Pierre de Fermat laid the foundations of modern number theory. And that Pascal, Fermat, and Christiaan Huygens made distinguished contributions to the theory of probibility.,,40 "The development of analysis in the 17th century by the mathematicians Pierre de Fermat, Rene Descartes, and Isaac Newton soon left behind clawsical methods and problems, and an enormous wealth of new descoveries revealed an interaction between theoretical mathematics and all branches of physics and astronomy."4l 39 "Mathematics", page 396 Encyclopedia Americana, volume 17, 40 Ibid 41 "Mathematics, History", volume-II, page 648 42 Ibid Encyclopedia Britannica, _-? 12. The 19th century had an enormous were contridictions quanity of new methods which of old beliefs. ''')In 1843, after years of cogitation, the Irish mathematician William Bowan Hamilton was led to invent his quarternion algebra in which the commutative law of multiplication does not hold.G42 ""- ,'yIn1844 the german mathematician Hermann Gunther ~Grassman published the first edition of his remarkable Ausdehnungslehre, in which he developed classes of algebras of much greater generalarity than Hamiltons quarternion algebra. By weakoning or deleting various of the laws of common algebra, or by replacing some of the laws by others that are also consistant with the remaining ones, an eno.rmous variety of algebraic structures can be created.~43 Hamilton and Grassman mathematician opened the world to abstract can use any set of consistant axioms he choses. "There has never been a man like Newton, be one like him. Not Einstein, Plank, not anybody in addition to formulating ential and integral problems developed which not Archimedes, else measured and there never will not Galileo, up to near his stature.,,44 the laws of gravity calculus. algebra. He developed invented systems 42 "Mathematics", page 400 to solve many system of limits. Encyclopedia Americana, volume 43 Ibid 44 Petr Beckmann, A History of ?f, page 137 Newton deffer- could not be solved until he solved them. an excellent not 17 Newton BIBLIOGRAPHY v Asimov, Isaac, Asimov on Numbers, Hew York, Pocket Books, 1978 Beckmann, Petr, A History of ~ The Golem Press, 1971 , Boulder, Cook, Peter Do , The Ages of Mathematics vol I!) New York, Doubleday and Company, 1977 Gamow, George, One, Tw0 Three, Infinity, New York, The Viking Press, 19i1 Huff, Darrell, and Irving Geia, How to Take _a Chance, New York, W. W. Norton & Company, 1959 IIMathematics," Encyclopedia Americana, 1979, volume 17, pp. 431-434 "Mathematics, HistoIlT", Encyclopedia Britannica~ 1979, volume 11, ppo 639-670 Menninger, Karl, A cultural history of Numbers, The Me I. T. Press, 1970 . Cambridge, Moffatt, Michal, The Ages of Mathematics vol I , H ew York Doubleda~r & Company, 1977 Perry, Leon, The Mathmen, New York, McGraw-Hill Book Company, 19$ Waerden, B. L. Van Der, Science Awakening , New York, Oxford University Press, 1961