In the languages (4) and (11) there was no such thing as asking what something || a thing is called. This and its correlate, the ostensive explanation, definition, is, we might say, a separate language game. That means really: we are brought up || taught, trained, to ask “What is that || this called?”, – and then the naming follows || name is given. There || And there is also a language gameof || : inventing a name for something. That is, of saying || I.e., to say, “That's || This is called …” and then using || to use the new name. (In this way, for instance || e.g., children name their dolls and then go on to talk about them. In this connection consider at the same time a very special use || what a very special use we make of a personal name: it is when we use it to call someone.) || … how special that use of a personal name is with which we call the person named.)
     Now you can give an ostensive definition of || we can ostensively define a personal name, a colour word, a || the name of a material, a numeral, the name of a direction || the name of a point of the compass, etc., etc.. The definition of two: “That || This is called ‘two’” – pointing to two nuts – is perfectly exact. – But how can you define two in that || this way? The person to whom you are giving || give the definition doesn't || won't know then || then know what it is you want || wish to call “two”; he'll suppose that you are calling || have called this group of nuts “two”. – He may suppose this, but perhaps he won't suppose it. || . He might also do just the opposite: when I want to assign a name to this group of nuts he might take this for || to be the name
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¤ of a number. And equally, if I give an ostensive definition of a personal name, he might take this || it to be the name of a colour, the name of a race, even the name of a direction || point of the compass. That is, the ostensive definition can in every case || all cases be interpreted in one way and also in others. || this way or in that way.