| 21. | Remember, formal logic is fundamentally concerned with the implications between statements, even false statements.
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| 22. | Multiplicity is one of the glories of modern formal logic.
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| 23. | The Stoics provided a unified account of the world, consisting of formal logic, naturalistic ethics.
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| 24. | The Dominican priest was the author of numerous philosophical works, including several on formal logic.
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| 25. | This led to the insistence that there were not two logics, but only formal logic.
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| 26. | The argument in formal logic starts with assuming the validity of naming ( X ?
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| 27. | Algebraic logic uses the methods of abstract algebra to study the semantics of formal logics.
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| 28. | The problem is how a formal logic of nonmonotonic reasoning should deal with such cases.
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| 29. | Russell, in particular, saw formal logic and science as the principal tools of the philosopher.
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| 30. | When a formal system is used to represent formal logic, only statement letters are represented directly.
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