''Rhetorical tautology'' <ref>http://www.m-w.com</ref>is defined as "needless repetition of an idea, statement, or word".
''Rhetorical tautology'' <ref>http://www.m-w.com</ref>is defined as "needless repetition of an idea, statement, or word".
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An example of a rhetorical tautology would be, for instance, a "godless atheist", or a "three-sided triangle" (as opposed to "all triangles have three sides", which is a definition).
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An example of a rhetorical tautology would be, for instance, a "godless atheist", "secular science" or a "three-sided triangle" (as opposed to "all triangles have three sides", which is a definition).
A ''philosophical tautology'' is <ref>http://www.dictionary.com</ref>"a compound propositional form all of whose instances are true", such as “A or not A.”
A ''philosophical tautology'' is <ref>http://www.dictionary.com</ref>"a compound propositional form all of whose instances are true", such as “A or not A.”