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Expressio

Expressio is a term used in several disciplines to denote a form that conveys meaning or value, often translated into English as “expression.” The word derives from Latin expressio, meaning a bringing forth or representation. In its broad sense it covers linguistic, mathematical, and computational constructs that convey information or compute a value.

In linguistics and philosophy, expressio can refer to the act of expressing content or to an articulated

In mathematics and logic, an expression is a finite sequence of symbols that denotes a value, such

In computer science and programming, the standard English term is “expression.” Expressio may appear in Latin

Notable usage: the term is largely historical or scholarly rather than a modern technical standard in English;

expression,
such
as
an
utterance,
idiom,
or
discourse
unit.
It
may
be
used
when
discussing
rhetoric
to
distinguish
expression
from
content
or
to
analyze
forms
of
expression
within
a
language
system.
as
a
+
b
or
sin(x).
When
Latin-language
or
historical
texts
discuss
mathematical
notation,
expressio
is
sometimes
employed
to
translate
“expression,”
especially
in
didactic
or
philological
contexts.
translations
of
textbooks,
multilingual
code
comments,
or
in
formal
language
descriptions
used
in
theoretical
discussions.
contemporary
references
typically
use
“expression.”
See
also
expression,
formula,
term.