510 Mathematics
510.1 Philosophy and theory vi
510 Toán học
510.1 Triết học và lý thuyết it
510 Matematica
510.1 Filosofia e teoria en
510 Mathematics
510.1 Philosophy and theory
510.19 Mathematics--psychological aspects de
510 Mathematik
510.1 Philosophie und Theorie
510.19 Mathematik—psychologische Aspekte
Dewey Decimal Classification
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