If only kryptonite kills me, then I am superman. [ k: kryptonite; K(x): x kills me; S: I am superman ]
Would I need to use the universal quantifier somewhere here? And would I have to replace x with k?
2026-04-09 16:12:55.1775751175
How would I symbolize the following English sentence in logic?
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Well, you will need to express that "If anything is a thing that kills me, then it is kryptonite," aka "only kryptonite kills me."
That requires a quantifier, but not a replacement; rather an identification.