13.1.1. Lecture - 13

Try these first

1. 1.

   Define what a predicate is.

   Hint

   Think of predicates as properties or characteristics that apply to elements.

2. 2.

   What does it mean for an argument to be valid?

   Hint

   Consider if you can find a case where premises are true and the conclusion is false.

3. 3.

   What is a predicate?

   • A function returning true or false based on a variable.
   • A type of logical argument.
   • An example of countering statements.

   Hint

   Think about how predicates characterize elements.

4. 4.

   True or False: An argument can be valid even if its premises are false.

   • True
   • False

   Hint

   Consider the definition of validity.

5. 5.

   Construct a composite argument involving at least three premises and evaluate its validity.

   Hint

   Identify each premise's truth and relate them logically to the conclusion.

6. 6.

   Demonstrate the use of existential and universal quantifications in an argument about student enrollment.

   Hint

   Think about how class enrollment pertains to specific instances among all students.