Four Validity Rules (Lecture)

To be valid, a syllogism must follow all 4 of these rules. Explanation & examples.

0:05 Reduced Kreeft's 6 rules to 4
1:22 Conclusion must not try to do more than the premises justify
2:08 Rule 1
3:16 Rule 1 Examples
6:28 Rule 2
8:55 Rule 2 Examples
11:20 Rule 3
12:23 Rule 3 Examples
16:45 Rule 4
18:16 Rule 4 Examples

From a lecture given to my Logic & Philosophical Methods class, 10/26/2018

#Logic #Syllogism #Validity

Music: Among the Clouds, by Darren Curtis

[justified]

Nice lecture which I learned more. Thanks.