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====Note 2.  Peirce (CE 1, 187)====
 
====Note 2.  Peirce (CE 1, 187)====
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<pre>
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<blockquote>
| In order to understand how these principles of 'à posteriori'
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<p>In order to understand how these principles of ''à posteriori'' and inductive inference can be put into practice, we must consider by itself the substitution of one symbol for another.  Symbols are alterable and comparable in three ways.</p>
| and inductive inference can be put into practice, we must
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| consider by itself the substitution of one symbol for
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<p>In the first place they may denote more or fewer possible differing things;  in this regard they are said to have ''extension''.</p>
| another.  Symbols are alterable and comparable in
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| three ways. In the first place they may denote
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<p>In the second place, they may imply more or less as to the quality of these things;  in this respect they are said to have ''intension''.</p>
| more or fewer possible differing things;  in this
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| regard they are said to have 'extension'. In the
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<p>In the third place they may involve more or less real knowledge;  in this respect they have ''information'' and ''distinctness''.</p>
| second place, they may imply more or less as to
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| the quality of these things;  in this respect
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<p>Logical writers generally speak only of extension and intension and Kant has laid down the law that these quantities are inverse in respect of each other.</p>
| they are said to have 'intension'. In the
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| third place they may involve more or less
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<p>C.S. Peirce, ''Chronological Edition'', CE 1, 187</p>
| real knowledge;  in this respect they
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| have 'information' and 'distinctness'.
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<p>Charles Sanders Peirce, "Harvard Lectures ''On the Logic of Science''" (1865), ''Writings of Charles S. Peirce : A Chronological Edition, Volume 1, 1857&nbsp;1866'', Peirce Edition Project, Indiana University Press, Bloomington, IN, 1982.</p>
| Logical writers generally speak only
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</blockquote>
| of extension and intension and Kant
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| has laid down the law that these
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| quantities are inverse in respect
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| of each other.
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|
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| C.S. Peirce, 'Chronological Edition', CE 1, 187.
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|
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| Charles Sanders Peirce, "Harvard Lectures 'On the Logic of Science'", (1865),
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|'Writings of Charles S. Peirce: A Chronological Edition, Volume 1, 1857-1866',
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| Peirce Edition Project, Indiana University Press, Bloomington, IN, 1982.
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</pre>
      
====Note 3.====
 
====Note 3.====
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