< Addition < Multiplikation < Potenz < N < Injektivität
Ist die Abbildung
φ
:
N
+
×
N
+
⟶
N
+
×
N
+
×
N
+
,
(
a
,
b
)
⟼
(
a
+
b
,
a
b
,
a
b
)
,
{\displaystyle \varphi \colon \mathbb {N} _{+}\times \mathbb {N} _{+}\longrightarrow \mathbb {N} _{+}\times \mathbb {N} _{+}\times \mathbb {N} _{+},\,(a,b)\longmapsto (a+b,ab,a^{b}),}
injektiv
oder nicht?
Zur Lösung
,
Alternative Lösung erstellen
This article is issued from
Wikiversity
. The text is licensed under
Creative Commons - Attribution - Sharealike
. Additional terms may apply for the media files.
