Principia mathematica,
Whitehead, Alfred North, 1861-1947.
Principia mathematica, by Alfred North Whitehead ... and Bertrand Russell ... - 2d ed. - Cambridge [Eng.] The University Press, 1925-1927. - 3 v. 27 cm.
25015133
Mathematics
Mathematics--Philosophy
Logic, Symbolic and mathematical
QA9 / .W5 1925
Principia mathematica, by Alfred North Whitehead ... and Bertrand Russell ... - 2d ed. - Cambridge [Eng.] The University Press, 1925-1927. - 3 v. 27 cm.
25015133
Mathematics
Mathematics--Philosophy
Logic, Symbolic and mathematical
QA9 / .W5 1925