![](/img/cover-not-exists.png)
The Truth-Value of {∀, ∃, P(x, y) }: A Graphical Approach
Kuehls, Ernest A.Volume:
43
Language:
english
Journal:
Mathematics Magazine
DOI:
10.1080/0025570x.1970.11976068
Date:
November, 1970
File:
PDF, 383 KB
english, 1970