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More about sets. Powerset of a set. Cross product of sets. The axiomatic approach to set theory. Languages (sets of strings).
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NOTE: "Typo" in what I wrote on one slide: R={x: x \not\in x}. Basics of sets. The only basic vocabulary is \in and \emptyset. Defining other relations: union, intersection complement,…
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Basics of sets. The only basic vocabulary is \in and \emptyset. Defining other relations: union, intersection complement, set difference, symmetric difference. Identities and their proofs, including…
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PHYEPS30 Lecture 5 (First Part)
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