Sheffer stroke (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sheffer stroke" in English language version.

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books.google.com (Global: 3^rd place; English: 3^rd place)

Rao, G. Shanker (2006). Mathematical Foundations of Computer Science. I. K. International Pvt Ltd. p. 21. ISBN 978-81-88237-49-4.

doi.org (Global: 2^nd place; English: 2^nd place)

Stamm, Edward Bronisław [in Polish] (1911). "Beitrag zur Algebra der Logik". Monatshefte für Mathematik und Physik (in German). 22 (1): 137–149. doi:10.1007/BF01742795. S2CID 119816758.
Sheffer, Henry Maurice (1913). "A set of five independent postulates for Boolean algebras, with application to logical constants". Transactions of the American Mathematical Society. 14 (4): 481–488. doi:10.2307/1988701. JSTOR 1988701.
Emil Leon Post (1941). The Two-Valued Iterative Systems of Mathematical Logic. Annals of Mathematics studies. Vol. 5. Princeton: Princeton University Press. doi:10.1515/9781400882366. ISBN 9781400882366. {{cite book}}: ISBN / Date incompatibility (help)

dokumen.pub (Global: low place; English: low place)

Emil Leon Post (1941). The Two-Valued Iterative Systems of Mathematical Logic. Annals of Mathematics studies. Vol. 5. Princeton: Princeton University Press. doi:10.1515/9781400882366. ISBN 9781400882366. {{cite book}}: ISBN / Date incompatibility (help)

jstor.org (Global: 26^th place; English: 20^th place)

Sheffer, Henry Maurice (1913). "A set of five independent postulates for Boolean algebras, with application to logical constants". Transactions of the American Mathematical Society. 14 (4): 481–488. doi:10.2307/1988701. JSTOR 1988701.

richardzach.org (Global: low place; English: low place)

Zach, R. (2023-02-18). "Sheffer stroke before Sheffer: Edward Stamm". Retrieved 2023-07-02.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Stamm, Edward Bronisław [in Polish] (1911). "Beitrag zur Algebra der Logik". Monatshefte für Mathematik und Physik (in German). 22 (1): 137–149. doi:10.1007/BF01742795. S2CID 119816758.

stanford.edu (Global: 179^th place; English: 183^rd place)

plato.stanford.edu

Franks, Curtis (2023), "Propositional Logic", in Zalta, Edward N.; Nodelman, Uri (eds.), The Stanford Encyclopedia of Philosophy (Fall 2023 ed.), Metaphysics Research Lab, Stanford University, retrieved 2024-03-22

wikipedia.org (Global: low place; English: low place)

pl.wikipedia.org

Stamm, Edward Bronisław [in Polish] (1911). "Beitrag zur Algebra der Logik". Monatshefte für Mathematik und Physik (in German). 22 (1): 137–149. doi:10.1007/BF01742795. S2CID 119816758.

wolfram.com (Global: 513^th place; English: 537^th place)

mathworld.wolfram.com

Weisstein, Eric W. "Propositional Calculus". mathworld.wolfram.com. Retrieved 2024-03-22.