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Summary
DescriptionNumber-systems.svg
English: Diagram to demonstrate the number systems ℝ, ℚ, ℤ and ℕ as sub-sets of each other. Real numbers (R) include the rational (Q), which include the integers (Z), which include the natural numbers (N). The historical evolution was from N to R.
Deutsch: Diagramm zur Veranschaulichung der Zahlenmengen ℝ, ℚ, ℤ und ℕ als Untermengen voneinander. Historische Entwicklung N→Z→Q→R
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Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.