Gottlob Frege book The Foundations of Arithmetic
Gottlob Frege (1950 [1884]). The Foundations of Arithmetic. p. 99.
Arithmetic thus becomes simply a development of logic, and every proposition of arithmetic a law of logic, albeit a derivative one. To apply arithmetic in the physical sciences is to bring logic to bear on observed facts; calculation becomes deduction.
Gottlob Frege (1950 [1884]). The Foundations of Arithmetic. p. 99.
Gottlob Frege book The Foundations of Arithmetic
Gottlob Frege (1950 [1884]). The Foundations of Arithmetic. p. 99.
Ernest Barnes (1874–1953) English mathematician and clergyman
As quoted by Gerald James Whitrow, The Structure of the Universe: An Introduction to Cosmology (1949)
George Peacock (1791–1858) Scottish mathematician
Vol. I: Arithmetical Algebra Preface, p. iii
A Treatise on Algebra (1842)
Augustus De Morgan (1806–1871) British mathematician, philosopher and university teacher (1806-1871)
Preface, p. v
The Differential and Integral Calculus (1836)
John McCain (1936–2018) politician from the United States
2010s, 2016, Statement regarding the Khan family (1 August 2016)
Howard H. Aiken (1900–1973) pioneer in computing, original conceptual designer behind IBM's Harvard Mark I computer
"Proposed Automatic Calculating Machine" (1937)
Geling Yan (1958) Chinese writer and screenwriter
Source: "Turning Loss into Beauty: The Tragedies of Geling Yan" in The Wall Street Journal https://www.wsj.com/articles/SB930264290705115630 (25 June 1999)