According to modern logicians, "All elves are people with infrared vision" is equivalent to "If anything is an elf, then it is a person with infrared vision."

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In modern logic, a universal affirmative statement like "All elves are people with infrared vision" is equivalent to a conditional statement "If anything is an elf, then it is a person with infrared vision." This is because both express that being an elf implies having infrared vision.

According to Modern Logicians, "All Elves Are People with Infrared