Some snowflakes are not uniform solids. All snowflakes are six-pointed crystals. Therefore, some six-pointed crystals are not

Question:

Some snowflakes are not uniform solids.
All snowflakes are six-pointed crystals.
Therefore, some six-pointed crystals are not uniform solids.

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.

Tables From 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