What is the argument from the relativity of perception? How does Philonous use the ARP to support the view that sensible qualities exist only in the mind? In a first attempt to allow some qualities to remain outside the mind, Hylas claims that while the ARP shows secondary qualities to exist only in the mind, primary qualities remain outside the mind. What does Hylas say is the difference between these two kinds of qualities? What is Philonous’s response to this claim? In his next attempt to keep something existing outside of the mind, Hylas appeals to a distinction between sensible and absolute extension, claiming that the ARP shows that while sensible extension exists only in the mind, absolute extension exists outside the mind. What does Hylas say is the difference between these two kinds of extension? Explain how Philonous makes use of the claim that everything which exists is particular to respond to Hylas. What concern about mathematical thinking does this reply lead Hylas to express? What response does Philonous make to Hylas concerning the way in which mathematicians proceed?

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Ask a Philosopher · Accepted Answer

"What ho, the argument from the relativity of perception doth present itself as a most intriguing puzzle indeed. Philonous doth wield this argument with great skill, asserting that sensible qualities exist solely within the confines of the mind. Hylas, in his attempt to counter this view, doth posit that while secondary qualities are confined to the mind, primary qualities doth exist outside of it. He doth claim that the distinction between these two types of qualities lies in their fundamental nature. To this, Philonous doth swiftly respond, questioning the very essence of what it means for qualities to exist outside of the mind.

In his next attempt to uphold the existence of something beyond the mind, Hylas doth draw a distinction between sensible and absolute extension. He argues that while sensible extension resides within the mind, absolute extension doth exist outside of it. Hylas doth posit that the discrepancy between these two types of extension lies in their inherent qualities. However, Philonous doth counter this argument by invoking the concept that everything which exists is particular, thereby dismantling the very foundation of Hylas's claim.

This reply doth lead Hylas to express concern regarding the nature of mathematical thinking, fearing that such notions may be rendered futile by Philonous's argument. However, Philonous doth reassure Hylas, highlighting the flawed premise upon which his concerns are founded. He doth elucidate upon the way in which mathematicians proceed, underscoring the importance of understanding the limitations of perception in the pursuit of knowledge. Thus, the argument from the relativity of perception doth serve as a catalyst for deeper philosophical inquiry, challenging us to reconsider the nature of existence and the boundaries of our own perceptions."