De Morgan's Laws (Logic)/Technical Note

Technical Note on De Morgan's Laws
When invoking De Morgan's Laws in a tableau proof, use the DeMorgan template:



where:
 * is the number of the line on the tableau proof where the specific instance of De Morgan's Laws is to be invoked
 * is the pool of assumptions (comma-separated list)
 * is the statement of logic that is to be displayed in the Formula column, without the  delimiters
 * is the line (or lines) of the tableau proof upon which this line directly depends
 * is the type of De Morgan's Law:,  ,   or  , whose link will be displayed in the Notes column.