Some ATM locations are places criminals lurk. All places criminals lurk are places to avoid at night.

Question:

Some ATM locations are places criminals lurk.
All places criminals lurk are places to avoid at night.
Therefore, some places to avoid at night are ATM locations.

Use Venn diagrams to determine whether the following standard-form categorical syllogisms are valid from the Boolean standpoint, valid from the Aristotelian standpoint, or invalid. Then, identify the mood and figure, and cross-check your answers with the tables of valid syllogisms found in Section 5.1.

Section 5.1:

Figure I AAA EAE All EIO Unconditionally Valid Forms Figure 3 IAI All OAO EIO Figure 2 EAE AEE EIO AOO Figure