Definitions
from Wiktionary, Creative Commons Attribution/ShareAlike License.
 adjective Consisting of or involving a
single element orcomponent .  adjective mathematics, programming, computer engineering Of an
operation ,function ,procedure , orlogic gate , taking exactly oneoperand ,argument ,parameter , orinput ; havingdomain ofdimension 1.  noun mathematics The unary numeral system; the
bijective base1 numeral system.  noun information theory Unary coding, an entropy encoding for
natural numbers .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
 adjective consisting of or involving a single element or component
Etymologies
from Wiktionary, Creative Commons Attribution/ShareAlike License
Examples

You get one guess as to what the unary influence resulting in this policy is.

Three unary propositional functions are defined, one corresponding to classical negation, as well as seven binary functions, including classical disjunction, conjunction and equivalence.

Thus, without loss of generality, it is sufficient to consider unary functions.

For example, if a unary function is considered as a set of ordered pairs, then the domain and codomain are given by the first and second projections, respectively.

The language of arithmetic does not contain the unary predicate symbol T.

Graphs, of the oriented kind arising in say automata theory where multiple edges may connect the same two vertices, can be organized as algebras having two unary operations s and t satisfying s (s (x)) =

There are 3 types of messages  unary, binary and keyword

Peirce defines a large number of unary and binary operators on these three truth values.

There are 3 types of messages  unary, binary and keyword

It has as individual constant only the symbol 0 for zero; its only function symbols is the unary successor symbol S; addition and multiplication are expressed by predicate symbols.
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