George Boole pp 112-116 | Cite as

General Summary

  • Ivor Grattan-Guinness
  • Gérard Bornet
Part of the Science Networks · Historical Studies book series (SNHS, volume 20)


The power of conceiving any collection of things possessing some common attribute as constituting a class being pre-supposed there are two distinct ways in which simple conceptions thus furnished may by the mind’s own activity be made complex. 1st. By aggregating the members. 2ndly. By combining the qualities of different classes


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Copyright information

© Springer Basel AG 1997

Authors and Affiliations

  • Ivor Grattan-Guinness
    • 1
  • Gérard Bornet
    • 2
  1. 1.Middlesex UniversityMiddlesexGreat Britain
  2. 2.Philosophisches SeminarUniversité MiséricordeFribourgSwitzerland

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