The World of Mathematics: A Small Library of the Literature of Mathematics from Aʻh-mosé the Scribe to Albert Einstein, Том 3Simon and Schuster, 1956 - Всего страниц: 2535 |
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Стр. 1693
... true . That is to say , the formula is a true arithmetical statement which expresses a complex but definite numeri- cal property of integers — just as the formula ' ( x ) ~ ( x + 3 = 2 ) ' ( in words , " There is no positive integer ...
... true . That is to say , the formula is a true arithmetical statement which expresses a complex but definite numeri- cal property of integers — just as the formula ' ( x ) ~ ( x + 3 = 2 ) ' ( in words , " There is no positive integer ...
Стр. 1870
... true ; and a + b , the cases in which one of the two , a and b , is true . The entire algebra will then hold for the logical relations of propositions . This will be true whether we take the system in its original form , or as ...
... true ; and a + b , the cases in which one of the two , a and b , is true . The entire algebra will then hold for the logical relations of propositions . This will be true whether we take the system in its original form , or as ...
Стр. 1913
... true sentence , since its second part is surely true . Similarly , if we assume that our friend , who was asked about the date of his departure , used the word " or " in its strict logical meaning , we shall be compelled to consider his ...
... true sentence , since its second part is surely true . Similarly , if we assume that our friend , who was asked about the date of his departure , used the word " or " in its strict logical meaning , we shall be compelled to consider his ...
Содержание
Statistics and the Design | 1415 |
Foundations of Vital Statistics by JOHN GRAUNT | 1421 |
First Life Insurance Tables by EDMUND HALLEY | 1437 |
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The World of Mathematics: A Small Library of the Literature of ..., Том 3 James Roy Newman Просмотр фрагмента - 1956 |
The World of Mathematics: A Small Library of the Literature of ..., Том 3 James Roy Newman Просмотр фрагмента - 1956 |
The World of Mathematics: A Small Library of the Literature of ..., Том 3 James Roy Newman Просмотр фрагмента - 1956 |
Часто встречающиеся слова и выражения
algebra arithmetic assertion assumptions average axiom of choice axiomatic axiomatic method Bertrand Russell calculation called cardinal number chance concept consider consistency construction contains counting curve deduction defined definition denumerably infinite derived elements equal equation Ernest Nagel errors Euclid euclidean geometry example experience experimental expression fact false Figure finite number formal formula given Goedel number googol googolplex HANS HAHN Hilbert idea implication infinity integer interpretation intuition Leibniz logic m-class mathe mathematical logic mathematical propositions mathematician matics meaning measure ment meta-mathematical method natural numbers non-Euclidean geometries notion objects observation obtained operation ordinary parallel axiom philosophy physical plane positive number possible postulates principle problem proof proved pure question real numbers reasoning relation represent result rule sample sense sentence sentential calculus sentential function space statement straight line symbols theorems theory things tion transformations triangle true truth variables velocity words