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msol_over_strings [2007/05/27 13:44] vaibhav.rajan |
msol_over_strings [2008/05/14 19:21] vkuncak |
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| ====== MSOL over Strings ====== | ====== MSOL over Strings ====== | ||
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| ===== Syntax and Semantics of Weak Monadic Second-Order Logic over Strings ===== | ===== Syntax and Semantics of Weak Monadic Second-Order Logic over Strings ===== | ||
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| [\![\exists v. F]\!]e &=& \exists S. S\ \mbox{is finite}\ \land\ S \subseteq N_0 \land [\![F]\!](e[v \mapsto S]) | [\![\exists v. F]\!]e &=& \exists S. S\ \mbox{is finite}\ \land\ S \subseteq N_0 \land [\![F]\!](e[v \mapsto S]) | ||
| \end{eqnarray*} | \end{eqnarray*} | ||
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| ===== What can we express in MSOL over strings ===== | ===== What can we express in MSOL over strings ===== | ||