|Understanding: the ability to give reasons for a distinction or to justify a selection of options. See also actions, meaning, knowledge.|
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Def Undrstanding: to understand a sentences is to know how the reality would have to be if the sentece were true.
Die Grundlagen der Arithmetik Stuttgart 1987
Funktion, Begriff, Bedeutung Göttingen 1994
Logische Untersuchungen Göttingen 1993