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Numbers set and inclusion - Coggle Diagram
Numbers set and inclusion
naturels Numbers Is in Whole Numbers
natural numbers are whole numbers because natural numbers begin with 1,2,3,4 and so on and whole numbers begin with 0 and so on. what they have in common is that they are all whole numbers that do not contain commas or periods and are not written as decimal numbers.
Symbole "Z " Is inclused in symbole " D"
They're not integers, and they're both numbers written after zero.
The symbole " R"
The real numbers, represented by R, are all numbers that belong to the set of rational numbers or the set of irrational numbers. The set of real numbers corresponds to the union of the rational (Q) and irrational (Q′) sets.
The inclusion [ :
inclusion mean:
Example :
A bottle is included in a box, but it's a single object, so we call it an element, but when it's several things, we call it a group. For example, a pencil case is included in a bag, so we call it a group.