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sav08:first-order_logic_syntax [2008/03/19 10:24] vkuncak |
sav08:first-order_logic_syntax [2008/03/24 11:36] vkuncak |
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| \[\begin{array}{rcl} | \[\begin{array}{rcl} | ||
| FV(x) &=& \{ x \}, \mbox{ for } x \in V \\ | FV(x) &=& \{ x \}, \mbox{ for } x \in V \\ | ||
| - | FV(f(t_1,\ldots,t_n) &=& F(t_1) \cup \ldots \cup F(t_n) \\ | + | FV(f(t_1,\ldots,t_n)) &=& F(t_1) \cup \ldots \cup F(t_n) \\ |
| - | FV(R(t_1,\ldots,t_n) &=& F(t_1) \cup \ldots \cup F(t_n) \\ | + | FV(R(t_1,\ldots,t_n)) &=& F(t_1) \cup \ldots \cup F(t_n) \\ |
| FV(t_1 = t_2) &=& F(t_1) \cup F(t_2) \\ | FV(t_1 = t_2) &=& F(t_1) \cup F(t_2) \\ | ||
| FV(\lnot F) &=& FV(F) \\ | FV(\lnot F) &=& FV(F) \\ | ||