Classical modal logic: Difference between revisions

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sorry, I have to revert again; Botterweg14 undid your changes using a sound argument; this needs to be discussed further on the template's talk page
 
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* Chellas, Brian. ''[https://books.google.com/books?id=YupiXWV5j6cC&q=%22Classical+modal+logic%22&pg=PR7 Modal Logic: An Introduction]''. Cambridge University Press, 1980.
 
{{Non-classical logic}}
{{DEFAULTSORT:Classical Modal Logic}}
[[Category:Modal logic]]