Take one whole object and the two alternatives “It is a book” and “It is a pen.” The same object cannot be both in the intended classification, yet a table is neither. Thus both true is excluded while both false is allowed. We must specify one object under the same respect.
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Worked example of non-coincidence
Conditional Propositions: Connected and Disjunctive Forms
Take one whole object and the two alternatives “It is a book” and “It is a pen.” The same object cannot be both in the intended classification, yet a table is neither. Thus both true is excluded while both false is allowed. We must specify one object under the same respect.