金毛雅言

koraki geezmolycou

trick xor treat

👍 11人觉得很赞

  • geezmolycos : ((TRICK ∧ TREAT)→(TRICK ∨ TREAT)) ∧ ((TRICK ∧ TREAT)→¬((¬TRICK ∧ TREAT) ∨ (TRICK ∧¬TREAT)))
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