The purpose of this note is to show that a known and natural four-valued logic co-exists with classical two-valued logic in the familiar context of truth tables. The tool required is the power construction.
@article{bwmeta1.element.bwnjournal-article-bcpv28z1p9bwm, author = {Brink, Chris}, title = {From two- to four-valued logic}, journal = {Banach Center Publications}, volume = {28}, year = {1993}, pages = {9-16}, zbl = {0793.03022}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-bcpv28z1p9bwm} }
Brink, Chris. From two- to four-valued logic. Banach Center Publications, Tome 28 (1993) pp. 9-16. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-bcpv28z1p9bwm/
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