Professor Bernstein was an intensive and critical student of this Principia and discussed it in many papers .
During this early period in the history of mathematical logic , a notable event for the subject was the publication of Principia Mathematica , by Whitehead and Russell .
Professor Bernstein was an intensive and critical student of this Principia Mathematica and discussed it in many papers .
During this early period in the history of mathematical logic , a notable event for the subject was the publication of Principia Mathematica , by Whitehead and Russell .