tanszek:oktatas:techcomm:information_-_basics:sciences
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
tanszek:oktatas:techcomm:information_-_basics:sciences [2025/09/08 19:40] – [Inductive Sciences] knehez | tanszek:oktatas:techcomm:information_-_basics:sciences [2025/09/08 19:42] (current) – [Deductive Sciences] knehez | ||
---|---|---|---|
Line 14: | Line 14: | ||
According to **principles**, | According to **principles**, | ||
+ | |||
+ | ---- | ||
====== Inductive Sciences ====== | ====== Inductive Sciences ====== | ||
Line 59: | Line 61: | ||
---- | ---- | ||
- | **Example 2**: Sum of consecutive natural numbers | + | **Example 2**: Sum of consecutive natural numbers. **Claim**: |
- | + | ||
- | Claim: | + | |
$$ 1 + 2 + \cdots + n = \frac{n(n+1)}{2}. $$ | $$ 1 + 2 + \cdots + n = \frac{n(n+1)}{2}. $$ | ||
Line 71: | Line 71: | ||
so the statement holds. | so the statement holds. | ||
- | Inductive step: | + | **Inductive step**: |
Assume the formula is true for \(n = k\): | Assume the formula is true for \(n = k\): | ||
Line 77: | Line 77: | ||
$$ 1 + 2 + \cdots + k = \frac{k(k+1)}{2}. $$ | $$ 1 + 2 + \cdots + k = \frac{k(k+1)}{2}. $$ | ||
- | Simplify: | + | **Simplify**: |
$$ \frac{k(k+1) + 2(k+1)}{2} = \frac{(k+1)(k+2)}{2}. $$ | $$ \frac{k(k+1) + 2(k+1)}{2} = \frac{(k+1)(k+2)}{2}. $$ | ||
Line 83: | Line 83: | ||
https:// | https:// | ||
+ | |||
+ | ---- | ||
====== Deductive Sciences ====== | ====== Deductive Sciences ====== | ||
Line 126: | Line 128: | ||
The quote from [[https:// | The quote from [[https:// | ||
+ | |||
+ | ---- | ||
====== Reductive Sciences ====== | ====== Reductive Sciences ====== |
tanszek/oktatas/techcomm/information_-_basics/sciences.1757360427.txt.gz · Last modified: 2025/09/08 19:40 by knehez