William Ernest Johnson
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William Ernest Johnson, usually cited as W. E. Johnson, was a British philosopher, logician and economic theorist. He is mainly remembered for his 3 volume Logic which introduced the concept of exchan
Johnson, c. 1902
Members of the Moral Science Club circa 1913, with W. E. Johnson sat in the middle of the front row (to the right of Bertrand Russell)
Principia Mathematica
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The Principia Mathematica is a three-volume work on the foundations of mathematics written by the mathematician–philosophers Alfred North Whitehead and Bertrand Russell and published in 1910, 1912, an
The title page of the shortened Principia Mathematica to ✱56
