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> "Socrates is a male" has a value of True; "All men are mortal" has a value of True; and a conclusion of "Socrates is mortal" that is "True" because a True "an
by cubefox 3y ago
> "Socrates is a male" has a value of True; "All men are mortal" has a value of True; and a conclusion of "Socrates is mortal" that is "True" because a True "and" a True yields a True.
No, for a logical argument the conclusion must be true if the premises are true. A valid argument (proof) only shows: necessarily, if the premises are true, the conclusion is true.
> And then an immortal man is discovered, making that first premise "False". And False "and" a True yields a "False".
> This causes "Socrates is mortal" to have a truth value of "False"
No...