wài
yán

technical
noun

Meaning of 外延

外延 means extension (in logic); the set of objects to which a concept refers. Pronounced wài yán.

  • extension (in logic); the set of objects to which a concept refers

Definitions & Examples

 "
Rén
 "
zhè
gài
niàn
de
wài
yán
bāo
kuò
jīn
zhōng
wài
qiè
de
rén
 

The extension of the concept "human" includes all people from ancient times to the present, from China and abroad.

Zài
luó
xué
zhōng
 
wài
yán
nèi
hán
shì
yán
jiū
gài
niàn
de
liǎng
běn
fāng
miàn
 

In logic, extension and intension are the two fundamental aspects of studying concepts.

men
yào
xiān
míng
què
zhè
shù
de
wài
yán
 
cái
néng
jìn
xíng
xià
tǎo
lùn
 

We need to clarify the extension of this term before we can proceed to the next step of the discussion.

Guò
kuān
fàn
de
wài
yán
huì
shǐ使
gài
niàn
shī
jīng
què
xìng
 

An overly broad extension will cause a concept to lose its precision.