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structure for 'Formal Logic'
alphabetical list of themes
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4. Formal Logic / E. Nonclassical Logics / 1. Nonclassical Logics
[general ideas about logics which depart from standard logic]
Nonclassical may accept T/F but deny applicability, or it may deny just T or F as well
We infer that other objects are like some exceptional object, if they share some of its properties