Let F be any ordered field. Prove that the following properties are hold: 1. If x< yand u

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let F be any ordered field. Prove that the following properties
are hold:
1. If x< yand u<v, then x+u < y+v.
x+ y
2. If x< y, then x<,<y (Hint: use 1).
3. For all x, y e F, |x+ y|<\x|+|y[|
4. For all x, y e F, |-|y|| <|x- y| (Hint: use |x]–|y|<|x- y|)
2
Transcribed Image Text:Let F be any ordered field. Prove that the following properties are hold: 1. If x< yand u<v, then x+u < y+v. x+ y 2. If x< y, then x<,<y (Hint: use 1). 3. For all x, y e F, |x+ y|<\x|+|y[| 4. For all x, y e F, |-|y|| <|x- y| (Hint: use |x]–|y|<|x- y|) 2
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