sp25-math240 math240
Midterm 1 - Comprehensive Review Cheatsheet Midterm 1 - Comprehensive Review Cheatsheet
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What does a | b mean?
What are the properties of a \mod{b}?
Together, how do a | b and a \mod{b} relate?
What are propositions?
What cannot be a proposition?
What is p \land (q \lor r) equivalent to?
What is p \lor (q \land r) equivalent to?
What is p \rightarrow q equivalent to?
What is De Morgan’s Law?
What are quantifiers?
How do you interpret nested quantifiers?
What happens when you negate quantifiers?
Bonus: What would nested quantifiers look like when negated?
What are partitions?
What does surjective mean?
What does injective mean?
What does bijective mean?
When does a function have an inverse?
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