Principia Mathematica – Volume One

Description

An Unabridged, Unaltered Printing Of Volume I of III: Part I – MATHEMATICAL LOGIC – The Theory Of Deduction – Theory Of Apparent Variables – Classes And Relations – Logic And Relations – Products And Sums Of Classes – Part II – PROLEGOMENA TO CARDINAL ARITHMETIC – Unit Classes And Couples – Sub-Classes, Sub-Relations, And Relative Types – One-Many, Many-One, And One-One Relations – Selections – Inductive Relations