You have chosen 'Can there be Vague Objects?st1=Gareth Evans' by , 'Truth, Correspondence, Explanation and Knowledge' by Ian McFetridge and 'Possible Worlds and Necessary A Posteriori' by Frank Jackson
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| A. | Basis of Science | |
| B. | Scientific Theories | |
| C. | Induction | |
| D. | Explanation |