Using the Categorical Converter - 2

The Catergical Converter The S and the P need not appear in the same order every time. For example, we can have the sentence All S are P and we can also have the sentence All P are S.

The letters on the right side of the diagram indicate the order of the S and P in the diagram. Together with the letters at the top, we are given a complete description of every proposition (Proposition) in the diagram.

Thus, for example, the Proposition directly under the A and directly to the left of SP is:
All S are P.

Or, for example, the Promposition directly under the O and directly to the left of nPnS is:
All non-P are non-S.

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10 August 1996