Formulas in predicate logic/2 places
Formulas in predicate logic 
Two different variables edit
2 * A232598(2,2) = 6
Both variables coinciding edit
2 * A232598(2,1) = 2
Sentence  Formula  Example 5x5  All 2×2  All 3×3 

Someone loves himself.  ∃x Pxx e(12) 
 
Everyone loves himself.  ∀x Pxx a(12) 
