ONT Hermeneutic Equivalence Classes
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| Leibniz, "Elements of a Calculus" (April 1679)
|
| 1. A "term" is the subject or predicate of a categorical proposition.
| Under the heading of "term", therefore, I include neither the sign of
| quantity nor the copula; so when it is said, "The wise man believes"
| the term will be, not "believes", but "believer", for it is the same
| as if I had said, "The wise man is a believer".
|
| 2. By "propositions" I understand here categorical propositions,
| unless I make special mention to the contrary. However, the
| categorical proposition is the basis of the rest, and modal,
| hypothetical, disjunctive, and all other propositions
| presuppose it.
|
| I call "categorical" the proposition "A is B" or "A is not B",
| i.e. "It is false that A is B", together with a variation in the
| sign of quantity, so that either it is a universal proposition and
| is understood of every subject, or it is a particular proposition and
| is understood of some subject.
|
| Leibniz, 'Logical Papers', p. 17.
|
| Leibniz, G.W., "Elements of a Calculus" (April, 1679),
| G.H.R. Parkinson (ed.), 'Leibniz: Logical Papers', pages 17-24,
| Oxford University Press, London, UK, 1966. (L. Couturat, p. 49).
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