Expertise must have a unified subject matter: in plato's laches, this is an objection to which definition of courage?

That "courage equals knowledge of future goods and evils".

Plato's "Laches" is an examination concerning the idea of courage with the aim of exhibiting the trouble of singling out one virtue, to be specific courage, and characterizing it independently from the other cardinal virtues, for example, intelligence, equity, moderation, and devotion. As the discourse continues it winds up that Socrates relates courage not only with the combat zone, as well as with different circles of life.

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