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真子集
Meanings
Characters
Examples
Tips
Stroke Order
Related Words
真子集
zhēnzǐjí
noun
Meanings
1
proper subset (mathematics)
Characters
真
zhēn
true, genuine, proper
子
zǐ
child, sub-
集
jí
set, collection
Examples
拼音
EN
HSK 6
如果
A
是
B
的
真子集
,
那么
A
至少
缺少
B
的
一个
元素
。
Rúguǒ A shì B de zhēnzǐjí, nàme A zhìshǎo quēshǎo B de yīgè yuánsù.
If A is a proper subset of B, then A is missing at least one element of B.
HSK 7-9
自然
数
集
是
整数
集
的
真子集
。
Zìrán shù jí shì zhěngshù jí de zhēnzǐjí.
The set of natural numbers is a proper subset of the set of integers.
Tips
usage
真
(true/genuine) +
子集
(subset) - the
真
marks "strict" inclusion, i.e. A ⊊ B. Without
真
,
子集
covers both proper and improper subsets, matching A ⊆ B.
Stroke Order
Grid
Outline
真
zhēn
Animated GIF
Loops. For slides and chat.
Stroke sheet PNG
Numbered steps. For print.
Colors
Light
Dark
子
zǐ
Animated GIF
Loops. For slides and chat.
Stroke sheet PNG
Numbered steps. For print.
Colors
Light
Dark
集
jí
Animated GIF
Loops. For slides and chat.
Stroke sheet PNG
Numbered steps. For print.
Colors
Light
Dark
Related Words
集合
jíhé
HSK 4
#3,792
to gather; to assemble / set (in mathematics)
童子军
tóngzǐjūn
#4,983
Boy Scouts / scout / scouting organization
聚集
jùjí
HSK 7-9
#4,956
to gather / to assemble / to congregate
毯子
tǎnzi
HSK 7-9
#5,046
blanket / rug
管子
guǎnzi
HSK 7-9
#5,052
tube / pipe / straw
单子
dānzi
#4,779
list / form / bill / bed sheet
罐子
guànzi
#5,064
jar / can / pot / container
天真
tiānzhēn
HSK 4
#4,669
naive; innocent / childlike; artless
条子
tiáozi
#4,643
a note; a slip of paper / strip; long narrow piece / cop; police officer
例子
lìzi
HSK 2
#4,639
example / instance
真子集
zhēnzǐjí
Meanings
Characters
Examples
Tips
Stroke Order
Related Words