Philosophy of science.
Laer, Pierre Henri van.
Philosophy of science. - 2d ed. - Pittsburgh Duquesne University Press 1963- - v. 26 cm. - Duquesne studies. Philosophical series 6 .
Bibliographical footnotes.
pt. 1. Science in general.
63011605
Science--Philosophy.
Q175 / .L19
Philosophy of science. - 2d ed. - Pittsburgh Duquesne University Press 1963- - v. 26 cm. - Duquesne studies. Philosophical series 6 .
Bibliographical footnotes.
pt. 1. Science in general.
63011605
Science--Philosophy.
Q175 / .L19