Hesperus is phosphorus. , at its western elongations, 'Phosphorus'.
Hesperus is phosphorus. Hesperus is the personification of the "evening star", the planet Venus in the evening. "Hesperus (the evening star) is Phosphorus (the morning star)" is one of Kripke's examples of necessary aposteriori, statements that are true necessarily if true at all, even if their truth can only be established empirically. Eosphorus and Hesperus were the ancient Greek gods of the star Venus. " Selene, Hesperus and Nyx fight against the Giants, Antalya Museum. Meanwhile, his brother Hesperus appears as the Evening Star. Each of these sentences is true, since 'Hesperus' refers to the same object as 'Phosphorus' (the planet Venus which few months apart can be seen as the brightest star of morning or of evening). Depending on the orbital locations of both Venus and Earth, it can be seen in the eastern morning sky for an hour or so before the Sun rises and dims it, or (as the evening star) in the western evening sky for an May 14, 2022 · Given that you agree with the necessity of "Hesperus is Phosphorus", you understand the distinction, and concur, at least in part, with Kripke's view of the matter. The two star-gods were later combined. . They were originally regarded as two distinct divinities--the first, whose name means Dawn-Bringer, was the god of the dawn-star, while the second, Evening, was the star of dusk. Main argument for a posteriori necessity Here is an overview of the argument: (P1) 'Hesperus' is a proper name that refers to the evening star. His name is sometimes conflated with the names for his brother, the personification of the planet as the "morning star" Eosphorus (Greek Ἐωσφόρος, "bearer of dawn") or Phosphorus (Ancient Greek: Φωσφόρος, "bearer of light Evelyn De Morgan 's Phosphorus and Hesperus, 1881 The morning star is an appearance of the planet Venus, an inferior planet, meaning that its orbit lies between the Earth and the Sun. It is impossible that Hesperus is not Hesperus/Phosphorus; but it is not contradictory to deny it. May 27, 2023 · Phosphorus, also known as Eosphorus, is the personification of the planet Venus when it appears as the Morning star. , at its western elongations, 'Phosphorus'. , at its eastern elongations, it was called by the ancients 'Hesperus,' and when visible in the mornings, i. But the evening star and the morning star are the same planetary body (Venus). On Kripke's account, Hesperus and Phosphorus are rigid designators, and so denote the same individual in all possible worlds. e. 'Phosphorus' is also a proper name and it refers to the morning star. So both names designate Venus. Rather, they assert complex claims about what sorts of things exist: for instance, 'Hesperus is Phosphorus' might assert that there exists a thing that is both the first star visible in the evening sky (in one season) and the last star visible in the morning sky (in another season). Dec 11, 2023 · But that seems incorrect: ‘Hesperus is Hesperus’ is trivial, whereas ‘Hesperus is Phosphorus’ appears to express new information, with the significance of an empirical discovery. Under the entry on Venus in the Encyclopedia Britannica we are given the following information, "When seen in the western sky in the evenings, i. In this sense, “Hesperus is Hesperus” and “Hesperus is Phosphorus” express the same fact or proposition. The two thus differ in what Frege calls cognitive significance and this suggests that they express different thoughts. He was later identified with the morning star, Phosphorus, or Eosphorus (Latin: Lucifer), the bringer of light (later discovered by astronomers to be the planet Venus). s8t hsx 0q2d oypcn thejysp7 mi pj73k bmcho8 ozdaf qps0