Use an Euler diagram to determine whether the argument is valid or invalid. All Italian villas are wonderful. It is not wise to invest in expensive villas. Some wonderful villas are expensive. Therefore, it is not wise to invest in Italian villas.

Determine whether the argument is valid or invalid by comparing its symbolic form with the standard symbolic forms. For valid argument, state the name of its standard form.

If you take Art 151 in the fall, you will be eligible to take Art 152 in the spring. You were not eligible to take Art 152 in the spring. Therefore, you did not take Art 151 in the fall.

Use an Euler diagram to determine whether the syllogism is valid or invalid. Some mushrooms are poisonous. A morel is a mushroom. A morel is poisonous.

Use an Euler diagram to determine whether the argument is valid or invalid. All Oreo cookies have a filling. All Fig Newtons have a filling. ______.

$$\therefore$$

All Fig Newtons are Oreo cookies.

The table below shows the number of sales associates and the average number of customers per day visiting a store at a company's two department stores. The company is planning to add a new sales associate to one of the stores. Use the apportionment principle to determine which store should receive the new employee.

$$\begin{array}{|l|c|c|} \hline \begin{array}{l}\text { Shopping mall } \\ \text { location }\end{array} & \begin{array}{c}\text { Number } \\ \text { of sales } \\ \text { associates }\end{array} & \begin{array}{c}\text { Average number } \\ \text { of customers } \\ \text { per day }\end{array} \\ \hline \begin{array}{l}\text { Summer } \\ \text { Hill Galleria }\end{array} & 587 & 5289 \\ \hline \begin{array}{l}\text { Seaside } \\ \text { Mall Galleria }\end{array} & 614 & 6215 \\ \hline \end{array}$$

Did the case studies on Anna, Isabelle, and Genie support Harlow’s conclusions? Why or why not?

Write the negation of each quantified statement. Start each negation with “Some,” “No,” or “All.” All classic movies were first produced in black and white.

Use an Euler diagram to determine whether the argument is valid or invalid. No wizard can yodel. All lizards can yodel. _________

$$\therefore$$

No wizard is a lizard.

Use an Euler diagram to determine whether the argument is valid or invalid. Some dogs have tails. Some dogs are big. _________

$$\therefore$$

Some big dogs have tails.

Use an Euler diagram to determine whether the argument is valid or invalid. All logicians like to sing “It’s a small world after all.” Some logicians have been presidential candidates. Therefore, some presidential candidates like to sing “It’s a small world after all.”

Use all of the premises to determine a valid conclusion for the given argument. If it is a theropod, then it is not herbivorous. If it is not herbivorous, then it is not a sauropod. It is a sauropod. Therefore, ___________.

Use all of the premises in each argument to determine a valid conclusion for the argument. All cats are strange. Boomer is not strange. _______

$$\therefore ?$$

Use an Euler diagram to determine whether the argument is valid or invalid. No squares are triangles. Some triangles are equilateral. _________

$$\therefore$$

No squares are equilateral.

Examine the following three premises: 1. All people who drive pickup trucks like Garth Brooks. 2. All people who like Garth Brooks like country western music. 3. Some people who like heavy metal music like Garth Brooks. Now consider each of the following five conclusions. For each conclusion, determine whether the argument formed by the three premises and the conclusion is valid or invalid. a.

$$\therefore$$

Some people who like heavy metal music drive a pickup truck. b.

$$\therefore$$

Some people who like heavy metal music like country western music. c.

$$\therefore$$

Some people who like Garth Brooks like heavy metal music. d.

$$\therefore$$

All people who drive a pickup truck like country western music. e.

$$\therefore$$

People who like heavy metal music never drive a pickup truck.