> Mehrbändiges Werk
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Principia mathematica 2 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1992
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Principia mathematica 3 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1992
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Principia mathematica 1 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1992
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Principia mathematica 1 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1950
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Principia mathematica 2 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1950
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Principia mathematica 3 by Alfred North Whitehead and Bertrand Russell
Cambridge: Univ. Press, 1950