Set Theory ஐ எப்படி கணக்கிடுவது
Set Theory என்றால் என்ன?
Set theory is the mathematical study of collections of distinct objects. Operations like union (∪), intersection (∩), and difference (−) describe how sets relate to each other and underlie all of modern mathematics and computer science.
சூத்திரம்
Union: A∪B = {x | x ∈ A or x ∈ B} | Intersection: A∩B = {x | x ∈ A and x ∈ B}
- ∪
- Union — All elements in either set
- ∩
- Intersection — Elements in both sets
- −
- Difference — Elements in first set but not second
படிப்படியான வழிகாட்டி
- 1Union A∪B: all elements in A or B (or both)
- 2Intersection A∩B: elements in both A and B
- 3Difference A−B: elements in A but not B
- 4Symmetric difference A△B: in A or B but not both
தீர்க்கப்பட்ட எடுத்துக்காட்டுகள்
உள்ளீடு
A={1,2,3,4,5}, B={3,4,5,6,7}
முடிவு
A∪B={1,2,3,4,5,6,7}, A∩B={3,4,5}, A−B={1,2}
அடிக்கடி கேட்கப்படும் கேள்விகள்
What is the complement of a set?
The complement of A (denoted A' or Aᶜ) contains all elements in the universal set that are NOT in A.
What is the difference between union and intersection?
Union combines all elements from both sets. Intersection finds only the elements that appear in both sets.
How is set theory used in programming?
Sets are used in databases (SQL joins use union/intersection), algorithms, graph theory, and logic. They're fundamental to computer science theory.
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