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A philosophical position holding that the laws of physics are real features of the universe—that they exist independently of human minds, that they describe genuine aspects of reality, and that successful physical theories capture (or approximate) truths about how the world actually works. Realism about physical laws asserts that electrons, forces, and fields are not just useful fictions but real entities; that equations like Schrödinger's or Einstein's describe actual structures in nature; that science progresses toward truer accounts of an independent reality. This position motivates scientific inquiry (we're discovering what's really there) and explains scientific success (theories work because they're true). But realism faces challenges from quantum interpretation, underdetermination of theory by evidence, and the history of theory change—challenges that anti-realism takes as reasons for caution.
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