Reasons to Believe

  • Torbjörn TännsjöEmail author
Part of the Library of Ethics and Applied Philosophy book series (LOET, volume 22)


In a standard definition of ‘knowledge’, knowledge requires justified belief. I take this to mean that, in order for me to know that p, my belief that p must be justified, that is; I must be justified in holding it or, to cast the point in terms of reasons, I must have reasons to hold this belief. This is true irrespective of whether the belief is empirical, moral, or mathematical, or whatever, in its content. I speak here only of justification as a necessary condition of knowledge, in order to avoid going into any problems to do with the Gettier paradox. These problems are of no relevance to my argument in this chapter. However, what does it mean for a belief to be ‘justified’?


True Belief Justify Belief Realistic View Moral Realism Epistemic Justification 
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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Department of PhilosophyUniversity of StockholmStockholmSweden

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