PHIL 320 Lecture 8: The Three Criteria of Cogency

• School: American River College
• Department: Philosophy
• Course: PHIL 320
• Professor: Professor Lopez

Document Summary

Note: an argument can be valid but not cogent. if an argument is cogent it must be valid. Validity has to do with the relationship between the premises and the conclusion , while truth has to do with the relationship between premises and the world. An argument is valid when the premises provide support for the conclusion. Conclusive support- if the premises are true, then conclusion can"t be false. If argument offers conclusive support, the argument is deductively valid, if. Strong probable support-attempts to make conclusion more likely. If argument succeeds in probable support it is valid. if not, it is invalid. not it is deductively invalid.