, Volume 3, Issue 1, pp 101-114

First online:

Foundations of clinical praxiology part II: Categorical and conjectural diagnoses

  • Kazem Sadegh-ZadehAffiliated withInstitute for Theory and History of Medicine, University of Münster

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access


The concepts of categorical diagnosis and conjectural diagnosis are introduced. It is argued that in diagnostic reasoning conjectural diagnosis plays a more important role than categorical diagnosis. Attention is called to the inevitable vagueness of clinical language and to the suitability of epistemic logic and fuzzy logic for diagnostic reasoning.

Key words

Categorical diagnosis Conjectural diagnosis Epistemic attitudes Epistemic kinematics Epistemic logic Approximate clinical reasoning