This thesis is an evaluation of doxastic normativism. Doxastic normativism is the theory that belief is essentially normative, and that the norm of belief is a constitutive norm. After introducing the taxonomy of normativist views I use throughout the thesis, I discuss four versions of doxastic normativism: state normativism, conceptual normativism, intentional teleologism, and teleo-functionalism. The first two are those traditionally referred to as “doxastic normativism”, and they are the m...