I found this argument in the I Tyrant AD&D supplement and decided to try it out in symbolic form just because I could. Beholders are both seekers of knowledge and power and are also paranoids.
It is necessary to acquire knowledge at any cost. I have knowledge others do not; some of these ignorant creatures are of the ideal breed; therefore, others of the ideal breed are out to get me.
Paraphrasing:
- For everyone and for all knowledge these don't have, then it is necessary to acquire it
 - For everyone and for all knowledge If I have it and it has to be acquired by them, then they are out to get me
 - There's knowledge I have and there are members of the ideal breed who don't have it
 
Therefore, there's a member of the ideal breed who's out to get me
Symbolizing:
Me=m
1 
 |    
∀x(∀y[(Ky˄~Hxy)→Axy]) 
 |    
Premise 
 |   
2 
 |    
∀x(∀y(Ky˄Hmy˄Axy)→Gxm) 
 |    
Premise   (enthymeme) 
 |   
3 
 |    
∃y(Ky˄Hmy˄∃x(Bx˄~Hxy)) 
 |    
Premise 
 |   
∴ 
 |    
∃x(Bx˄Gxm) 
 |    
Conclusion 
 |   
Alternate:
- For everyone and for all knowledge they don't have, then it is necessary to acquire it from anyone
 - For everyone and for all knowledge, If it has to be acquired from anyone then they are out to get those
 - There's knowledge I have and there are members of the ideal breed who don't
 
Therefore, there's a member of the ideal breed who's out to get me
1 
 |    
∀x(∀y[(Ky˄~Hxy)→∀zAxyz]) 
 |    
Premise 
 |   
2 
 |    
∀x(∀y∀z([Ky˄Axyz]→Gxz)) 
 |    
Premise   (enthymeme) 
 |   
3 
 |    
∃y(Ky˄Hmy˄∃x(Bx˄~Hxy)) 
 |    
Premise 
 |   
∴ 
 |    
∃x(Bx˄Gxm) 
 |    
Conclusion 
 |   
Both prove valid

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