A series of lectures on sets that are suitable for undergraduates: Definition of a set, Russell's paradox, definition of subset, logical implications, converse, contrapositive, truth tables.

Sets 1
Basic definition of a set, some examples, and Russell's paradox

Sets 2
Definition of subset, some examples, introduction of implication

Sets 3
Logical implications, introduction of converse and contrapositive, and some examples

Sets 4
More about logical implications, introduction of truth tables

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