20. Anyone who accomplishes anything will be envied by everyone. (Px: x is a person; Axy: x accomplishes y; Exy: x envies y)
20. Anyone who accomplishes anything will be envied by everyone. (Px: x is a person; Axy: x accomplishes y; Exy: x envies y)
21. Delilah wore a ring on every finger and had a finger in every pie. (d: Delilah; Rx: x is a ring; Fxy: x is a finger of y; Oxy: x is on y; Px: x is a pie; Ixy: x is in y)
22. There are at least two candidates for president. (Px: x is a candidate for president; Ixy: x is identical to y)
Logic Symbolize, please explain what symbol is $
23. There is exactly one heavyweight champion. (Cx: x is a heavyweight champion; Ixy: x is identical to y)
24. At least one thing is older than everything but itself. (Oxy: x is older than y; Ixy: x is identical to y)
25. Someone tricks everyone but himself. (Px: x is a person; Txy: x tricks y; Ixy: x is identical to y)
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what does : ∀x
stand for? could you please explain or express it in other terms
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