C. J. Ducasse. Truth, verifiability, and propositions about the future. Philosophy of science, vol. 8 (1941), pp. 329–337.
2018 ◽
Vol 31
(3)
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pp. 453-467
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2018 ◽
Vol 9
(1)
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pp. 1
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1971 ◽
pp. 539-551
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1970 ◽
Vol 1970
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pp. 539-551
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