Madmen reason rightly upon wrong premises: Mr. Smith [a circle squarer] reasons wrongly upon no premises at all.
A Budget of Paradoxes (p. 319), Longmans, Green & Co. 1872
![Madmen reason rightly upon wrong premises: Mr. Smith [a circle squarer] reasons wrongly upon no premises at all.](https://img.libquotes.com/pic-quotes/v1/augustus-de-morgan-quote-lbh5o8x.jpg)
![Madmen reason rightly upon wrong premises: Mr. Smith [a circle squarer] reasons wrongly upon no premises at all.](https://img.libquotes.com/pic-quotes/v2/augustus-de-morgan-quote-lbh5o8x.jpg)
![Madmen reason rightly upon wrong premises: Mr. Smith [a circle squarer] reasons wrongly upon no premises at all.](https://img.libquotes.com/pic-quotes/v3/augustus-de-morgan-quote-lbh5o8x.jpg)
![Madmen reason rightly upon wrong premises: Mr. Smith [a circle squarer] reasons wrongly upon no premises at all.](https://img.libquotes.com/pic-quotes/v4/augustus-de-morgan-quote-lbh5o8x.jpg)
