Changing subject to negative subject {inversion, logic} {inverse, logic} makes new statements. For example, "All A are B" inverts to "All not A are B". "All A are B" implies "Some not A are not B". If inverse is true, converse is true. If converse is true, inverse is true.
Mathematical Sciences>Logic>Statements>Permutations
3-Logic-Statements-Permutations
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Date Modified: 2022.0224