St. Albert the Great, Logic


In 2026, Mr. William C. Michael, O.P., is publishing a complete translation of the works of St. Albert the Great on Logic for exclusive use in the Classical Liberal Arts Academy. This translation will be released for immediate access by enrolled students and private access subscribers. Use of this translation is prohibited outside of the Classical Liberal Arts Academy without written permission from the translator.


Liber I. De Praedicabilibus

Tract 1. De Natura Logicae

St. Albert the Great, O.P. (1200-1280)
  1. Tract 1, Chapter 01
    Utrum logica sit scientia et specialis?
  2. Tract 1, Chapter 02
    Utrum logica sit pars philosophiae?
  3. Tract 1, Chapter 03
    De Utilitate Dialecticae
  4. Tract 1, Chapter 04
    De Quo Sit Logica ut de Subjecto?
  5. Tract 1, Chapter 05 (IN PROGRESS)
  6. Tract 1, Chapter 06
  7. Tract 1, Chapter 07

Tract 2. De Quinque Universalibus

  1. Tract 2, Chapter 01
  2. Tract 2, Chapter 02
  3. Tract 2, Chapter 03
  4. Tract 2, Chapter 04
  5. Tract 2, Chapter 05
  6. Tract 2, Chapter 06
  7. Tract 2, Chapter 07
  8. Tract 2, Chapter 08
  9. Tract 2, Chapter 09

Tract 3. De Universalibus in Particulari

  1. St. Albert the Great, Tract 3, Chapter 01
    De Diversis Signis Generis
  2. St. Albert the Great, Tract 3, Chapter 02
    De Genere Philosophico et Quomodo Assimilatur Aliis
  3. St. Albert the Great, Tract 3, Chapter 03
    De Diffinitione vel Descriptione Generis Physici
  4. De Praedicalibus. Tract 3, Chapter 04
    Quod Diffinitio Generis nec Abundet nec Deficiat ei eius Declaratio
  5. De Praedicalibus. Tract 3, Chapter 05
    De Recapitulatione eorum quae de Sermone Generis Dicta Sunt

Tract 4. De Specie

  1. De Praedicalibus. Tract 4, Chapter 01
  2. De Praedicalibus. Tract 4, Chapter 02
  3. De Praedicalibus. Tract 4, Chapter 03
  4. De Praedicalibus. Tract 4, Chapter 04
  5. De Praedicalibus. Tract 4, Chapter 05
  6. De Praedicalibus. Tract 4, Chapter 06
  7. De Praedicalibus. Tract 4, Chapter 07

Tract 5. De Differentia

  1. De Praedicalibus. Tract 5, Chapter 01
  2. De Praedicalibus. Tract 5, Chapter 02
  3. De Praedicalibus. Tract 5, Chapter 03
  4. De Praedicalibus. Tract 5, Chapter 04
  5. De Praedicalibus. Tract 5, Chapter 05
  6. De Praedicalibus. Tract 5, Chapter 06
  7. De Praedicalibus. Tract 5, Chapter 07
  8. De Praedicalibus. Tract 5, Chapter 08
  9. De Praedicalibus. Tract 5, Chapter 09

Tract 6. De Proprio

  1. De Praedicalibus. Tract 6, Chapter 01
  2. De Praedicalibus. Tract 6, Chapter 02

Tract 7. De Accidente

  1. De Praedicalibus. Tract 7, Chapter 01
  2. De Praedicalibus. Tract 7, Chapter 02
  3. De Praedicalibus. Tract 7, Chapter 03

Tract 8. De Communibus &c.

  1. De Praedicalibus. Tract 8, Chapter 01
  2. De Praedicalibus. Tract 8, Chapter 02
  3. De Praedicalibus. Tract 8, Chapter 03
  4. De Praedicalibus. Tract 8, Chapter 04
  5. De Praedicalibus. Tract 8, Chapter 05
  6. De Praedicalibus. Tract 8, Chapter 06
  7. De Praedicalibus. Tract 8, Chapter 07
  8. De Praedicalibus. Tract 8, Chapter 08
  9. De Praedicalibus. Tract 8, Chapter 09
  10. De Praedicalibus. Tract 8, Chapter 10
  11. De Praedicalibus. Tract 8, Chapter 11
  12. De Praedicalibus. Tract 8, Chapter 12
  13. De Praedicalibus. Tract 8, Chapter 13

Tract 9. De Comparatione, &c.

  1. De Praedicalibus. Tract 9, Chapter 01
  2. De Praedicalibus. Tract 9, Chapter 02

 Liber II. De Praedicamentis

Tract 1.