Definition:Postfix Notation/Also known as

Postfix Notation: Also known as

Postfix notation is also known as reverse Polish notation.

Some sources, on introducing this notation, implement parenthesis in order to clarify and distinguish the operator from the operands:

$\tuple {x, y} \circ$

Sources

• 1996: H. Jerome Keisler and Joel Robbin: Mathematical Logic and Computability ... (previous) ... (next): Appendix $\text{A}.8$: Cartesian Product
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): postfix notation (reverse Polish notation)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): reverse Polish notation
• 2012: M. Ben-Ari: Mathematical Logic for Computer Science (3rd ed.) ... (previous) ... (next): $\S 2.1.3$