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sav08:exists-forall_class_definition [2008/04/03 13:42] vkuncak |
sav08:exists-forall_class_definition [2008/04/03 13:42] vkuncak |
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| * no function symbols | * no function symbols | ||
| - | === Example === | + | ===== Examples ===== |
| For binary relations $r,s,t$ to express $r \circ s \subseteq t$, we can introduce binary relation symbols $R$, $S$, $T$ and write formula | For binary relations $r,s,t$ to express $r \circ s \subseteq t$, we can introduce binary relation symbols $R$, $S$, $T$ and write formula | ||