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Bibliographic Item (1.0)
- Hans Reichenbach
- Elements of Symbolic Logic
- The Macmillan Co., NY NY. 1947 5th edition 1956 BC 135 R4
- =THEORY LOGIC LANGUAGE PHILOSOPHY
- This book is most famous for analyzing all the tenses found in most natural languages
[ samples/tenses.html ]
in terms of three times: S=time of Speech, R=a time Referred to, and E=time(s) when Event occurred(was occurring).
- For example "It was raining in Manchester in 1935" has S="August 2006", R is some time in 1935, and E is a range of times surrounding R when it was raining.
- If "I will see you tomorrow" is spoken on day S, then it's R is the day after S and E is a time in that day.
- Reichenbach argues that all three times: E,R and S are needed to explain all the tenses.
- He also shows that R tends to be the same inside a sentence except where it is explicitly shifted. This tends to be true across sentences as well.... except that later authors
give many counter examples where the times interact with the link:
narrative, explanation, elaboration, etc. holding between the sentences.
- The book is a thorough and persnickety philosophical analysis of natural language and thought in terms of symbolic logic.
- It harks back to Whitehead and Russell's magnum opus
- It has an excellent list
[ samples/tautologies.html ]
of true formulas.
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