The world is everything that is the case: Aristotelian logic was mistaken both in details and overall conception, yet its key ideas survive in contemporary rationalism.
Depends upon what the meaning of the word "is" is: Formal logic successfully addresses important defects in traditional, Aristotelian logic, but cannot deal with contextuality.
The value of meaninglessness: Recognizing that some statements are neither true nor false was a major advance in early 20th-century rationalism.
"What Is Wrong With Our Thoughts? A Neo-Positivist Credo" by David Stove
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