Statements: 1. All men are dogs
2. All dogs are cats
Conclusions: 1. All men are cats
2. All cats are men

Options

A. only conclusion 1 follows,
B. only conclusion 2 follows,
C. either conclusion 1 or 2 follows,
D. neither conclusion 1 nor 2 follows,

Answer

To solve the problem, we need to analyze the given statements and conclusions logically. Here’s a step-by-step breakdown:

### Step 1: Understand the Statements
1. **Statement 1**: All men are dogs.
2. **Statement 2**: All dogs are cats.

### Step 2: Visualize with Venn Diagrams
- Draw a Venn diagram with three circles:
- Circle A for Men
- Circle B for Dogs
- Circle C for Cats

### Step 3: Place the Information in the Venn Diagram
- Since "All men are dogs," Circle A (Men) is completely within Circle B (Dogs).
- Since "All dogs are cats," Circle B (Dogs) is completely within Circle C (Cats).
- Therefore, Circle A (Men) is also completely within Circle C (Cats).

### Step 4: Analyze the Conclusions
1. **Conclusion 1**: All men are cats.
- Since all men are dogs and all dogs are cats, it follows that all men are also cats. This conclusion is **true**.

2. **Conclusion 2**: All cats are men.
- This statement claims that every cat is a man. However, we know that there are cats that are not men (since there are dogs that are cats but not men). Therefore, this conclusion is **false**.

### Step 5: Final Decision
- Based on the analysis:
- Conclusion 1 is true.
- Conclusion 2 is false.

### Summary of Results
- Only Conclusion 1 follows from the statements provided.