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Primary education is compulsory in Malaysia. Children spend 6 years in primary schools. In 6th year, students sit for a national standardized test known as the Ujian Pencapaian Sekolah Rendah (UPSR, Primary School Achievement Test). Level One Kindergarten: age 5 - 6 Standard 1: age 7; Standard 2: age 8; Standard 3: age 9; Level Two Standard 4 ...
A bijective function, f: X → Y, from set X to set Y demonstrates that the sets have the same cardinality, in this case equal to the cardinal number 4. Aleph-null, the smallest infinite cardinal. In mathematics, a cardinal number, or cardinal for short, is what is commonly called the number of elements of a set.
In the other direction, the binary expansions of numbers in the half-open interval [,), viewed as sets of positions where the expansion is one, almost give a one-to-one mapping from subsets of a countable set (the set of positions in the expansions) to real numbers, but it fails to be one-to-one for numbers with terminating binary expansions ...
The continuum hypothesis says that =, i.e. is the smallest cardinal number bigger than , i.e. there is no set whose cardinality is strictly between that of the integers and that of the real numbers. The continuum hypothesis is independent of ZFC , a standard axiomatization of set theory; that is, it is impossible to prove the continuum ...
A person must have their own birth certificate, it is specific to that person by its Id number. One-to-one (optional on one side) person ←→ driving license: 1: 0..1 or ? A person may have a driving license, it is specific to that person by its Id number. One-to-many: order ←→ line item: 1: 1..* or + An order contains at least one item ...
(at 12 years of age) in a sekolah menengah , "secondary school" and continues to 17. There is an optional one or two-year sixthform (Form 6) sometimes known as 'Pre-University'. Forms 1 to 3 are known as Lower Secondary (Menengah Rendah), while Forms 4 and 5 are known as Upper Secondary (Menengah Tinggi).
Any finite natural number can be used in at least two ways: as an ordinal and as a cardinal. Cardinal numbers specify the size of sets (e.g., a bag of five marbles), whereas ordinal numbers specify the order of a member within an ordered set [9] (e.g., "the third man from the left" or "the twenty-seventh day of January").
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