The following syllogism is in standard form. Use it to answer questions 1-6. All mermaids are mammals. No fish are mammals. Some fish are not mermaids.
1. Identify the minor premise: No fish are mammals.
2. Identify the major term: Mermaids.
3. Identify the middle term: Mammals.
4. Identify the mood: Undetermined.
5. Identify the figure: Undetermined.
Use Venn Diagrams or the 5 rules to determine whether the syllogism is valid from the Boolean standpoint, valid from the Aristotelian standpoint, or invalid. If it is valid from the Aristotelian standpoint, determine the critical term that exists.