Barra de Sheffer (Galician Wikipedia)

Analysis of information sources in references of the Wikipedia article "Barra de Sheffer" in Galician language version.

refsWebsite

Global rank Galician rank

6^th place

8^th place

513^th place

886^th place

179^th place

212^th place

archive.org (Global: 6^th place; Galician: 8^th place)

Howson, Colin (1997). Logic with trees: an introduction to symbolic logic. Londres; Nova York: Routledge. pp. 43. ISBN 978-0-415-13342-5.
Howson, Colin (1997). Logic with trees: an introduction to symbolic logic. Londres; Nova York: Routledge. pp. 41–43. ISBN 978-0-415-13342-5.

stanford.edu (Global: 179^th place; Galician: 212^th place)

plato.stanford.edu

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

wolfram.com (Global: 513^th place; Galician: 886^th place)

mathworld.wolfram.com

Weisstein, Eric W. "Propositional Calculus". mathworld.wolfram.com (en inglés). Consultado o 2024-03-22.