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Critical Thinking Web will always be free

We believe that the teaching of thinking skills should be a core component of any educational system. We also believe that critical thinking and creativity are vital for the healthy development of any modern liberal democracy. For these reasons the content of this site will always remain free and open to the public.

Help us improve the site

We have tried to make this site useful and correct. But if you find any mistakes or broken links please tell us. Send an email to:

But please don't contact us for personal help with your homework! This is not our task, and we think you will learn better by solving a problem yourself rather than relying on someone else for the answer.

Make A Donation

For a better user experience, we have decided not to include any advertisements in this site. We welcome donations so that we can expand the content of the site and improve it further. All donations will be used for this website.

Doation can be made online through the University of Hong Kong here on this page. On the form, please designate the donation to "Arts" under FACULTY, and enter "Philosophy Dept Critical Thinking Web project" under UNIT. If you have made a donation, please also email Joe Lau at so he can follow up and confirm that it has been received.