One of the laws of logic that is flouted most often is the difference between necessity and sufficiency. You might be familiar with the phrase “necessary and sufficient” from your maths classes in school. What does that mean? Take the sentence: “Paul is a bachelor”. A necessary condition for this sentence to be true is that Paul is not married (because that is the very definition of a bachelor).
Necessary, but not sufficient
Necessary, but not sufficient
Necessary, but not sufficient
One of the laws of logic that is flouted most often is the difference between necessity and sufficiency. You might be familiar with the phrase “necessary and sufficient” from your maths classes in school. What does that mean? Take the sentence: “Paul is a bachelor”. A necessary condition for this sentence to be true is that Paul is not married (because that is the very definition of a bachelor).