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### Theory

 1 Sets and its types 2 Empty and singleton sets 3 Cardinality of sets 4 Equivalent and equal sets 5 Subsets 6 Proper subsets 7 Subsets of set of numbers 8 Power sets

### Exercises

 1 Choose the appropriate definition Difficulty: easy 3 2 Express the set of elements Difficulty: easy 2 3 Find the set and determine its name Difficulty: easy 3 4 Calculate the cardinal number of the set Difficulty: easy 3 5 Check equivalent or equal set Difficulty: easy 4 6 Examine true or false Difficulty: easy 3 7 Express it in power set Difficulty: easy 2 8 Examine the statement Difficulty: medium 4 9 Select all the set/sets that contains the given set. Difficulty: medium 5 10 Identify the finite set Difficulty: medium 4 11 Identify the infinite set Difficulty: medium 4 12 Evaluate the equal set elements Difficulty: medium 4 13 Determine the cardinal number of the set Difficulty: medium 4 14 Write all the subsets Difficulty: hard 10 15 Find the power sets Difficulty: hard 6 16 Determine the cardinal number of sets, number of subsets and number of proper subsets Difficulty: hard 5 17 Determine the number of element in the power set and number of elements in a set Difficulty: hard 5

### Tests

 1 Training test Difficulty: medium 10

### Teacher manual

 1 Methodical recommendation