Synthesized answer
The book "Spheres" by Peter Sloterdijk reinterprets Western metaphysics as a project focused on space and immunity, rather than temporality [Passage 1]. Sloterdijk, who calls himself a "student of the air," examines how we understand ourselves, the world, and plurality through spatial concepts [Passage 1].
The work progresses from the individual "bubble" to the "globe" representing the world, and finally to "foam" which signifies plurality [Passage 1]. Sloterdijk synthesizes spatial theories from various philosophers, exploring both large and small spaces to understand how humans inhabit and share spaces [Passage 1]. He connects the question of being to architecture and human development, particularly through "aerial technology" [Passage 1].
The passages describe the overall project and its scope, but do not offer a detailed explanation of the key concepts in Sloterdijk's own words.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Spheres by Peter Sloterdijk Description: "An epic project in both size and purview, Peter Sloterdijk's three-volume, 2,500-page Spheres is the late-twentieth-century bookend to Heidegger's Being and Time. Rejecting the century's predominant philosophical focus on temporality, Sloterdijk, a self-described "student of the air," reinterprets the history of Western metaphysics as an inherently spatial and immunological project, from the discovery of self (bubble) to the exploration of world (globe) to the poetics of plurality (foam). Exploring macro- and micro-space from the Greek agora…