Symbolic Logic Directory References Discover 9 of the World’s Deadliest Snakes 12 Greek Gods and Goddesses 7 of History's Most Notorious Serial Killers 26 Decade-Defining Events in U.S. History Is Australia an Island? Why Does Cilantro Taste Like Soap to Some People? How Many Electoral College Votes Does Each U.S. State Have? Contents Symbolic Logic work by Lewis and Langford Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:modality In modality… and Cooper Harold Langford in Symbolic Logic (1932), which develops a modal system of “strict implication” for interpreting the logical force of “if . . . then.”Read More