13856391
Description
Flashcards by Eimear Geary, updated more than 1 year ago
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Created by Eimear Geary
almost 6 years ago
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| Question | Answer |
| What does U mean in sets? | Universal set ( |
| What does N stand for in sets? | N stands for intersection which is the elements in both circles |
| What does the dash (') mean in sets? | It means everything in the set except for the letter the dash is next to E.g. B' means everything except B |
| what does the hashtag (#) stand for? | the hashtag stands for cardinal number so that means to count the elements in the subset E.g. #A =5 |
| what does the backslash stand for ? | Its so you can say set without a letter E.g. A\B (that example stands for A without B) |
| What does a squashed C stand for? | a squashed C stands for a subset A subset is a smaller set inside a bigger set |
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