# 'Necessary', 'a priori' and 'analytic'

@article{Sloman1965NecessaryP, title={'Necessary', 'a priori' and 'analytic'}, author={Aaron Sloman}, journal={Analysis}, year={1965}, volume={26}, pages={12-16} }

I T is frequently taken for granted, both by people discussing logical distinctions1 and by people using them2, that the terms 'necessary', 'a priori', and 'analytic' are equivalent, that they mark not three distinctions, but one. Occasionally an attempt is made3 to establish that two or more of these terms are equivalent. However, it seems to me far from obvious that they are or can be shown to be equivalent, that they cannot be given definitions which enable them to mark important and… Expand

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