Augustus De Morgan (1806–1871) British mathematician, philosopher and university teacher (1806-1871)
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The Differential and Integral Calculus (1836)
Response to being shown a "Ripley's Believe It or Not!" column with the headline "Greatest Living Mathematician Failed in Mathematics" in 1935. Quoted in Einstein: His Life and Universe by Walter Isaacson (2007), p. 16 http://books.google.com/books?id=cdxWNE7NY6QC&lpg=PP1&pg=PA16#v=onepage&q&f=false <br class="br">1930s
Augustus De Morgan (1806–1871) British mathematician, philosopher and university teacher (1806-1871)
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The Differential and Integral Calculus (1836)
Augustus De Morgan (1806–1871) British mathematician, philosopher and university teacher (1806-1871)
The portion of the Integral Calculus, which properly belongs to any given portion of the Differential Calculus increases its power a hundred-fold...
The Differential and Integral Calculus (1836)
Richard Hamming (1915–1998) American mathematician and information theorist
Methods of Mathematics Applied to Calculus, Probability, and Statistics (1985)
Duncan Gregory (1813–1844) British mathematician
Source: Examples of the processes of the differential and integral calculus, (1841), p. 237; Lead paragraph of Ch. XV, On General Theorems in the Differential Calculus,; Cited in: James Gasser (2000) A Boole Anthology: Recent and Classical Studies in the Logic of George Boole,, p. 52
George Boole (1815–1864) English mathematician, philosopher and logician
Source: 1840s, The Mathematical Analysis of Logic, 1847, p. iii
Context: That to the existing forms of Analysis a quantitative interpretation is assigned, is the result of the circumstances by which those forms were determined, and is not to be construed into a universal condition of Analysis. It is upon the foundation of this general principle, that I purpose to establish the Calculus of Logic, and that I claim for it a place among the acknowledged forms of Mathematical Analysis, regardless that in its object and in its instruments it must at present stand alone.
“Calculus is the mathematics of change. …Change is characteristic of the world.”
Richard Hamming (1915–1998) American mathematician and information theorist
Methods of Mathematics Applied to Calculus, Probability, and Statistics (1985)
Duncan Gregory (1813–1844) British mathematician
p. iii http://books.google.com/books?id=h7JT-QDuAHoC&pg=PR3; Lead paragraph of the Preface; Highlighted section cited in: Patricia R. Allaire and Robert E. Bradley. " Symbolical algebra as a foundation for calculus: DF Gregory's contribution http://poncelet.math.nthu.edu.tw/disk5/js/history/gregory.pdf." Historia Mathematica 29.4 (2002): p. 408 <br class="br">Examples of the processes of the differential and integral calculus, (1841)