# Definitions for polish notationpol·ish no·ta·tion

### Princeton's WordNetRate this definition:5.0 / 1 vote

1. prefix notation, Lukasiewicz notation, Polish notationnoun

a parenthesis-free notation for forming mathematical expressions in which each operator precedes its operands

### WiktionaryRate this definition:5.0 / 2 votes

1. Polish notationnoun

A notation for arithmetic (and logical) formulae in which operations (respectively, quantifiers and operands) are written immediately before their operands, used to avoid the need for parentheses; for example, 3 * (4 + 7) is written as * 3 + 4 7 and A AND B is written as AND A B.

2. Etymology: After the nationality of the logician Jan Łukasiewicz

### ChatGPTRate this definition:0.0 / 0 votes

1. polish notation

Polish notation, also known as prefix notation, is a mathematical notation in which every operator precedes all of its operands i.e., it is placed before its operands. It does not require any precedence rules or parentheses to denote the order of operations. It was developed by a Polish mathematician named Jan Łukasiewicz. This notation is used extensively in computer science for representing expressions and computations.

### WikidataRate this definition:5.0 / 1 vote

1. Polish notation

Polish notation, also known as Polish prefix notation or simply prefix notation, is a form of notation for logic, arithmetic, and algebra. Its distinguishing feature is that it places operators to the left of their operands. If the arity of the operators is fixed, the result is a syntax lacking parentheses or other brackets that can still be parsed without ambiguity. The Polish logician Jan Łukasiewicz invented this notation in 1924 in order to simplify sentential logic. The term Polish notation is sometimes taken to also include Polish postfix notation, or Reverse Polish notation, in which the operator is placed after the operands. When Polish notation is used as a syntax for mathematical expressions by interpreters of programming languages, it is readily parsed into abstract syntax trees and can, in fact, define a one-to-one representation for the same. Because of this, Lisp and related programming languages define their entire syntax in terms of prefix notation. Here is a quotation from a paper by Jan Łukasiewicz, Remarks on Nicod's Axiom and on "Generalizing Deduction", page 180. "I came upon the idea of a parenthesis-free notation in 1924. I used that notation for the first time in my article Łukasiewicz, p. 610, footnote."

### Numerology

1. Chaldean Numerology

The numerical value of polish notation in Chaldean Numerology is: 7

2. Pythagorean Numerology

The numerical value of polish notation in Pythagorean Numerology is: 7

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A occasional
B reassuring
C abrupt
D dependable