On the Expressive Power of Dynamic Logic
Name
MIT-LCS-TM-157.pdf
Size
11.37 MB
Format
Adobe PDF
Checksum (MD5)
e211632475a7df0059d8f9b513169ca1
Author(s) •
Meyer, Albert R.
Winklmann, Karl
Date Issued
February 1980
Series/Report no.
MIT-LCS-TM-157
Abstract
We show that "looping" of while-programs can be expressed in Regular First Order Dynamic Logic, disproving a conjecture made by Harel and Pratt. In addition we show that the expressive power of quantifier-free Dynamic Logic increases when nondeterminism is introduced in the programs that are part of formulae of Dynamic Logic. Allowing Assignments of random values to variables also increases expressive power.
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