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sav08:atomic_diagram_normal_form [2009/05/12 23:28] vkuncak |
sav08:atomic_diagram_normal_form [2009/05/12 23:30] vkuncak |
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| x_1 = f(x) \land s_1 = x_1 + y \land s_1 < z | x_1 = f(x) \land s_1 = x_1 + y \land s_1 < z | ||
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| **Example:** When we have relation symbols $<$ and no function symbols, and consider 3 variables $x$,$y$,$z$, possible atomic formulas are: | **Example:** When we have relation symbols $<$ and no function symbols, and consider 3 variables $x$,$y$,$z$, possible atomic formulas are: | ||
| - | * $x=y$, $y=x$, $x=z$, $z=x$, $y=z$, $z=y$ | + | * $x=x$, $y=y$, $z=z$, $x=y$, $y=x$, $x=z$, $z=x$, $y=z$, $z=y$ |
| - | * $x<y$, $y<x$, $x<z$, $z<x$, $y<z$, $z<y$ | + | * $x<x$, $y<y$, $z<z$, $x<y$, $y<x$, $x<z$, $z<x$, $y<z$, $z<y$ |
| + | and there are 3^2+3^2=18 atomic formulas. | ||
| ===== Atomic Diagram Normal Form ===== | ===== Atomic Diagram Normal Form ===== | ||