Difference between revisions of "Universal negative"
From Conservapedia
Conservative (Talk | contribs) |
Conservative (Talk | contribs) |
||
| Line 2: | Line 2: | ||
An example of a valid universal negative is "No triangles have 4 sides". This is a valid universal negative because if something does not have 3 sides, it cannot be a triangle.<ref>[http://blog.faithbeyondbelief.ca/2014/08/the-universal-negative-can-it-be-proven.html A universal negative: Can it be proven]</ref> | An example of a valid universal negative is "No triangles have 4 sides". This is a valid universal negative because if something does not have 3 sides, it cannot be a triangle.<ref>[http://blog.faithbeyondbelief.ca/2014/08/the-universal-negative-can-it-be-proven.html A universal negative: Can it be proven]</ref> | ||
| + | |||
| + | == External links == | ||
| + | |||
| + | *[http://blog.faithbeyondbelief.ca/2014/08/the-universal-negative-can-it-be-proven.html A universal negative: Can it be proven?] | ||
== Notes == | == Notes == | ||
{{reflist|2}} | {{reflist|2}} | ||
[[Category: Logic]] | [[Category: Logic]] | ||
Revision as of 09:42, September 22, 2014
In logic, a universal negative is a proposition of the form “No S is P.” Symbol: E, e.[1]
An example of a valid universal negative is "No triangles have 4 sides". This is a valid universal negative because if something does not have 3 sides, it cannot be a triangle.[2]
