The standard-form categorical proposition of 'Roses are fragrant' is

ASome roses are fragrant

BSome fragrant things are not roses

CNo fragrant things are roses

DAll roses are fragrant things ✓ Correct

Correct answer: (D) All roses are fragrant things

Explanation

The standard-form version of Roses are fragrant is All roses are fragrant things.

A standard categorical proposition needs an explicit quantifier, a subject class and a predicate class.

The bare plural Roses are fragrant carries universal affirmative force about all roses.

The predicate is recast as a class term, fragrant things, to complete the form.

This yields the A proposition All roses are fragrant things.

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