Book Quote by Willard Van Orman Quine
“If pressed to supplement Tweedledee's ostensive definition of logic with a discursive definition of the same subject, I would say that logic is the systematic study of the logical truths. Pressed further, I would say that a sentence is logically true if all sentences with its grammatical structure are true. Pressed further still, I would say to read this book.”
![“Some have said that the thesis [of indeterminacy] is a consequence of my behaviorism. Some have said that it is a reductio ad absurdum of my behaviorism. I disagree with this second point, but I agree with the first. I hold further that the behaviorism approach is mandatory. In psychology one may…” quote by Willard Van Orman Quine](https://sms4smile.com/quotes/img-quotes/3e0/willard-van-orman-quine-10137_ads_some-have-said-that-the-thesis-of-indete_315688.jpg)
