Encyclopedia > Polish notation

Article Content

Polish notation

Created by Jan Lukasiewicz[?]. Operators are placed before operands. Compare to Reverse Polish Notation.

 Np   negation ~ p  
 Kpq  conjunction p · q  
 Apq  disjunction p Ú q  
 Cpq  material implication p É q  
 Epq  material equivalence      p º q  
 PxFx universal quantifier (x)Fx  
 SxGx existential quantifier ($x)Gx

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

242

... 210s 220s 230s - 240s - 250s 260s 270s 280s 290s Years: 237 238 239 240 241 - 242 - 243 244 245 246 247 Events Patriarch Titus[?] succeeds Patriarch Eugenius I[?] ...