But what about the criterion whether there is anything inside or not? Here we say “I know that there is something
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inside in my case. And this is how I know of the ‘inside’ at all first hand”. || And this is how I have first hand knowledge of the inside at all.” || This is how I know about an inside & am led to suppose it in the other person too.”
Further we are not inclined to say that only hitherto we have not known the mind of an other person but that the idea of this knowledge is bound up with the idea of myself.