An Extension of “Fitch's rules”

DOI10.1002/MALQ.19610071107zbMath0107.00701OpenAlexW2025168770MaRDI QIDQ3293392

David F. jun. Siemens

Publication date: 1961

Published in: Mathematical Logic Quarterly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/malq.19610071107

zbMATH Keywords

mathematical logic

Mathematics Subject Classification ID

Mathematical logic and foundations (03-XX)

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