Since Liu is old (great theory, but dated examples), many professors now use:

: The material is organized logically, starting from basic concepts like sets and propositions and gradually advancing to complex algebraic structures 東華書局暨新月圖書公司 Problem-Solving Emphasis

: Some students note that while the text starts with basics, it moves quickly to tough questions without providing enough detailed solutions in the examples.

You can try searching for the book on online platforms such as:

The search query reveals a real need: students want a clean, searchable, corrected version of a timeless textbook. While no official updated edition exists, you have several options:

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