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Ideas for 'Good and Evil', 'The Fourth Revolution' and 'Frege philosophy of mathematics'

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2 ideas

5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic

20100

Classical liberalism seeks freedom of opinion, of private life, of expression, and of property [Micklethwait/Wooldridge]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

9820	In classical logic, logical truths are valid formulas; in higher-order logics they are purely logical [Dummett]