In article <23af61c2.0108122107.6f0e7aab@posting.google.com>, Robert Dodier writes:> > Consider the mayor of Ashtabula. Let A = "mayor's right eye is blue". > Let B = "mayor's left eye is blue". Let B' = "mayor's left eye is brown". > What do you suppose is the truth value of A B ? What about A B' ?
Maybe I'm missing something here. Could you again, with rigorous logical notation, state this problem, and point out the difference with two-valued logic?> The difficulty is that rules of the kind applied in fuzzy logic > ignore relations between the elements of a compound proposition.
What about two-valued logic? regards Stephan F'up2 caf