Principia mathematica to 56
Whitehead, Alfred North
Principia mathematica to 56 by Alfred North Whitehead and Bertrand Russell. - Cambridge C.U.Pr. c1927 - xlvi, 410p. 20cm.
Principia mathematica to 56 by Alfred North Whitehead and Bertrand Russell. - Cambridge C.U.Pr. c1927 - xlvi, 410p. 20cm.