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

Wheatley Heights, New York

... 100 females there are 95.1 males. For every 100 females age 18 and over, there are 89.3 males. The median income for a household in the town is $75,076, and the median ...