Logic / Logic 089 · Atom · ~20 seconds
"Only" and "The Only"
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State
"Only S are P" reverses: it means All P are S. "The only S are P" doesn't reverse: All S are P.
Show
"Only members may enter" — all who enter are members. Not: all members enter.
Watch for
The single most-missed translation in the subject. When in doubt, ask what the sentence rules *out*.
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Unlocks
- Nothing yet depends on this.