Prefix notation

<language> (Or "prefix syntax") One of the possible orderings of functions and operands: in prefix notation the function precedes all its operands.

For example, what may normally be written as "1+2" becomes "(+ 1 2)".

A few languages (e.g., lisp) have strictly prefix syntax, many more employ prefix notation in combination with infix notation.

Compare: postfix notation.

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predicate logic predomain pre-emptive multitasking prefetch prefix	postfix notation prefix prefix notation prefix syntax	prefix syntax pre-order pre-order traversal PREP prepaging