Synthesized answer
The provided passages do not contain information about unanswered questions within the book "On Practice."
The passages describe "On Practice and Contradiction" as a collection of philosophical writings that underpinned the Chinese revolution, written by Mao Tse-Tung [Passage 1]. They mention that the writings draw on various references and that an introduction by Slavoj Žižek reaches unsettling conclusions [Passage 1]. However, no details are given regarding any questions that remain unanswered within the text itself.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: On Practice and Contradiction by Mao Tse-Tung Description: A collection of the writings that underpinned the Chinese revolution—presented by “one of the world’s best-known public intellectuals” (New York Review Books) These early philosophical writings underpinned the Chinese revolutions, and Mao’s clarion call to insurrection has lost none of its ability to stir the blood and stimulate the mind. Drawing on a dizzying array of references from contemporary culture and politics, Slavoj Žižek’s introduction reaches unsettling conclusions about the place of Mao’s thought in the…