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Class
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This is the original index card for the keyword "Class".


I.e. not to individual 3996 of states 4023
This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby
Home | Journal | Bookshelf | Index | Other | Timeline | Symbols | Refs | Abbreviations | Help | Copyright