![](/img/cover-not-exists.png)
The Truth-Value of {∀, ∃, P(x, y)}: A Graphical Approach
Ernest A. KuehlsVolume:
43
Language:
english
Journal:
Mathematics Magazine
DOI:
10.2307/2688742
Date:
November, 1970
File:
PDF, 294 KB
english, 1970