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, 21:58, 25 May 2009
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| The [[truth table]] of '''NOT p''' (also written as '''~p''' or '''¬p''') is as follows: | | The [[truth table]] of '''NOT p''' (also written as '''~p''' or '''¬p''') is as follows: |
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| {| align="center" border="1" cellpadding="8" cellspacing="0" style="background:#f8f8ff; font-weight:bold; text-align:center; width:40%" | | {| align="center" border="1" cellpadding="8" cellspacing="0" style="background:#f8f8ff; font-weight:bold; text-align:center; width:40%" |
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| | T || F | | | T || F |
| |} | | |} |
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| <br> | | <br> |
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| The logical negation of a proposition '''p''' is notated in different ways in various contexts of discussion and fields of application. Among these variants are the following: | | The logical negation of a proposition '''p''' is notated in different ways in various contexts of discussion and fields of application. Among these variants are the following: |
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| {| align="center" border="1" cellpadding="8" cellspacing="0" style="background:#f8f8ff; width:40%" | | {| align="center" border="1" cellpadding="8" cellspacing="0" style="background:#f8f8ff; width:40%" |
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| | bang ''p'' | | | bang ''p'' |
| |} | | |} |
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| <br> | | <br> |
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