Analysis of information sources in references of the Wikipedia article "Truth table" in English language version.
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{{cite book}}: ISBN / Date incompatibility (help) Enderton, H. (2001). A Mathematical Introduction to Logic (2nd ed.). Harcourt Academic Press. ISBN 0-12-238452-0. Quine, W.V. (1982). Methods of Logic (4th ed.). Harvard University Press. ISBN 978-0-674-57175-4.{{cite book}}: ISBN / Date incompatibility (help) Enderton, H. (2001). A Mathematical Introduction to Logic (2nd ed.). Harcourt Academic Press. ISBN 0-12-238452-0. Quine, W.V. (1982). Methods of Logic (4th ed.). Harvard University Press. ISBN 978-0-674-57175-4.