Subset/Examples/Abstract Example 1
Jump to navigation
Jump to search
Example of Subset
Let $P$ denote the set:
- $P = \set {1, 2, 3, 4}$
Let $Q$ denote the set:
- $Q = \set {2, 4}$
Then:
- $Q \subseteq P$
but note that:
- $Q \notin P$
Sources
- 1977: K.G. Binmore: Mathematical Analysis: A Straightforward Approach ... (previous) ... (next): $\S 1$: Real Numbers: $\S 1.1$: Set Notation