Difference between revisions of "Universal negative"
Jump to navigation
Jump to search
Conservative (talk | contribs) |
Conservative (talk | contribs) |
||
| Line 1: | Line 1: | ||
In [[logic]], a '''universal negative''' is a proposition of the form “No S is P.” Symbol: E, e.<ref>[http://dictionary.reference.com/browse/universal+negative Universal negative]</ref> | In [[logic]], a '''universal negative''' is a proposition of the form “No S is P.” Symbol: E, e.<ref>[http://dictionary.reference.com/browse/universal+negative Universal negative]</ref> | ||
| − | An example of a valid universal negative is "No triangles have four sides". This is a valid universal negative because if something does not have three sides, it cannot be a triangle. | + | An example of a valid universal negative is "No triangles have four sides". This is a valid universal negative because if something does not have three sides, it cannot be a triangle. |
== External links == | == External links == | ||