Formal logic.
![no cover found](https://literarybibliography.eu/themes/default/images/no_cover.png)
- Main Author:
- Format:
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Journal article
- Language:
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English
- In:
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Books from Finland. - ISSN 0006-7490. - Helsinki : Helsinki University Library. - 29 (1995) : 4, s. 266-268
- Subject persons:
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Verronen, Maarit. Pimeästä maasta.
- Subjects: