Journal of Philosophical Logic

, Volume 38, Issue 4, pp 447–464

The Hypothetical Syllogism


DOI: 10.1007/s10992-008-9098-y

Cite this article as:
Morreau, M. J Philos Logic (2009) 38: 447. doi:10.1007/s10992-008-9098-y


The hypothetical syllogism is invalid in standard interpretations of conditional sentences. Many arguments of this sort are quite compelling, though, and you can wonder what makes them so. I shall argue that it is our parsimony in regard to connections among events and states of affairs. All manner of things just might, for all we know, be bound up with one another in all sorts of ways. But ordinarily it is better, being simpler, to assume they are unconnected. In so doing, we jump to the conclusions of some compelling but invalid arguments.


Conditionals Induction Parsimony Preferential reasoning 

Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  1. 1.Department of PhilosophyUniversity of MarylandCollege ParkUSA

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