•  For one theme, list themes alphabetically, or explore the structure

•  For one philosopher, alphabetical or chronological list

•  For one text, alphabetical by author or chronological

•  To combine themes     •   To combine philosophers     •   To combine texts

•  For one idea, if you know the number, insert it here:


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Ideas compiled by Dr Peter Gibson Implemented by Martin Berry
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Peter's book Natural Ideas: A Naturalistic System of Philosophy,
based on this collection of ideas,
is available on Amazon here (UK) or here (US)