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https://scppb.org/2019/11/07/%d9%85%d8%a7-%d9%87%d9%8a-%d8%a7%d9%84%d9%81%d9%84%d8%b3%d9%81%d8%a9-%d8%a7%d9%84%d9%85%d8%a7%d8%af%d9%8a%d8%a9%d8%9f/
ما هي الفلسفة المادية؟