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Relations/Locke: Comparison Ideas - human artifacts - not all are meaningful - e.g. age, size - "man": no clear idea - but probably "fatherhood" - special relations. e.g. cause/Effect: heat on wax - also creation e.g. nihilo.
Relations/Locke: are not included in the real existence of things.
Of ourselves created (such as mixed modes) - (Ideas/Locke/(s): the simple ones are not generated by us).
An Essay Concerning Human Understanding