alt Hacker NewsFor an accessible introduction before beginning this, consider his _Introduction to Mathematical Philosophy_:
https://en.wikipedia.org/wiki/Introduction_to_Mathematical_P...
and for ease of reading see the various PDF versions at:
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zote • today at 5:06 AM
similarly the work itself is available here: https://people.umass.edu/klement/pom/
Of you prefer an even more entertaining approach and a very gentle introduction into the topic, I recommend the comic "Logicomix" which tells Russel's journey (though not historically correct all the time for story telling reasons).
https://en.wikipedia.org/wiki/Logicomix