78

50

its being true; for everything that is true is logical, whether we know it or not.
But this we know to be true, not at all by means of any peculiar feeling it excites in us, we might argue from that feeling, it is true, but any feeling may be deranged, and we know it much more certainly from this, that when we say it is true that "a stone cannot be at once hard and not hard", what we are talking of is not what interpretation somebody might put upon that assertion, but what we mean by it.
Now what we mean by "not" is