universal affirmative

American  

noun

Logic.

1. a proposition of the form “All S is P.” A, a

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Example Sentences

Consider the following universal affirmative statement: “All games involve a winner and a loser.”

From Textbooks • Jun. 15, 2022

It suffices to prove every kind of conclusion, and is the only figure in which a universal affirmative proposition can be established.

From Deductive Logic by Stock, St. George William Joseph

The reason why a universal affirmative, which is of course infinitely the most important form of proposition, can only be proved in the first figure may be seen as follows.

From Deductive Logic by Stock, St. George William Joseph

In logical language, in order to disprove a "universal affirmative," it is enough to prove its contradictory, which is a "particular negative."

From A Tangled Tale by Frost, A. B. (Arthur Burdett)

Therefore, writing x for 'devils,' y for 'ugly,' and ȳ for 'not-ugly,' we may express A., the universal affirmative, thus: A. xȳ = 0.

From Logic Deductive and Inductive by Read, Carveth