TY - BOOK AU - Van Fraassen,Bas C. TI - Laws and symmetry SN - 0198248601 PY - 1989/// CY - Oxford PB - Clarendon Press KW - Philosophy of nature KW - Necessity (Philosophy) KW - Controversial literature KW - Symmetry KW - Philosophy and science N1 - Bibliography : p. 374-385. and index ER -