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sav08:qe_for_presburger_arithmetic [2009/04/21 19:38] vkuncak |
sav08:qe_for_presburger_arithmetic [2009/04/21 19:39] vkuncak |
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| We consider elimination of a quantifier from a conjunction of literals (because [[QE from Conjunction of Literals Suffices]]). | We consider elimination of a quantifier from a conjunction of literals (because [[QE from Conjunction of Literals Suffices]]). | ||
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| $t_1 < t_2$ becomes ++| $0 < t_2 - t_1$++ | $t_1 < t_2$ becomes ++| $0 < t_2 - t_1$++ | ||
| - | We obtain a disjunction of conjunctions of literals of the form $0 < t$ and $K \mid t$ where $t$ are of the form $\sum_{i=1}^n K_i \cdot x_i$ | + | We obtain a disjunction of conjunctions of literals of the form $0 < t$ and $K \mid t$ where $t$ are of the form $K_0 + \sum_{i=1}^n K_i \cdot x_i$ |