Applied Logic - Old Questions

1. Arrange following arguments in standard order, write down their mood and figure, identify their validity by using Venn diagram and finally if the argument is invalid identify the syllogistic rule violated by the argument.

a) All persons who plan ahead are people who live in the future, all persons who worry are people who live in the future, therefore all persons who plan ahead are persons who worry.

b) Some self-actualized persons are not procrastinators because some procrastinators are lazy persons and no self-actualized persons are lazy persons