Harel, David <br/><br/>
First-order dynamic logic 
Harel, David 
 - Berlin  Springer-Verlag  1979 
 - 133 p. 
 - Lecture notes in computer science, no.68 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>  Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>164