Friends of the SEP Society
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To join the Friends of the SEP Society, please fill out the form below, click "Become a Member", and complete the registration/payment process. If you are joining the Society to obtain the PDF version of a specific SEP entry, please check availability in our PDF Library. Some recently published entries (i.e., those published after the last SEP Archive was made) won't be available in PDF until the next SEP Archive. Also, please test that your PDF viewing application can display our PDFs by examining the Sample Document.

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Activate Service: Send me email at most once every 3 months, to inform me when PDFs I've downloaded have been updated in a new SEP quarterly Archive.
I agree to the Terms of Service.

For purposes of security, the Friends of the SEP Society office does not store credit card information. Please do not send your credit card information by email, phone, or letter. You must complete the above form, click "Become a Member", and complete the secure online payment process to join the Friends of the SEP Society.