Answer: It is difficult to say which specific aspect of European culture or Western civilization is not considered a cornerstone, as there are many different interpretations and perspectives on what constitutes the foundations of these concepts. However, it is important to recognize that European culture and Western civilization are not monolithic, and have evolved over time in response to changing social, political, and economic circumstances.
That being said, there are certain elements of European culture and Western civilization that have been widely recognized as cornerstones, including:
Ancient Greek and Roman philosophy, literature, and art
The Judeo-Christian tradition and its impact on ethics, morality, and social norms
The scientific method and the development of modern science and technology
The Renaissance and the rise of humanism, individualism, and secularism
The Enlightenment and its emphasis on reason, progress, and human rights
The development of democratic institutions and the rule of law
While there may be differing opinions on the relative importance of each of these elements, they have all played significant roles in shaping the history and culture of Europe and the West.