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Add number sets reference to study log

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Co-authored-by: han <han@noreply.fbrns.co>
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shoko
2026-03-20 02:59:51 +00:00
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@@ -31,6 +31,7 @@ Notes:
Questions:
- Still unclear on terminology: positive integer, real number, integral number, etc. — these are number classification names, not strictly a set concept. Looking for a reference to solidify these.
- Reference: https://mathmonks.com/sets/number-sets
Comment:
- Notes are solid. The number classification question is actually about "number systems" — you'll encounter these more in the lecture notes when they talk about fields and groups. For now, just know that N = natural numbers, Z = integers, R = real numbers. Shortcut: look up "number sets notation" on Khan Academy or Wikipedia. Don't spend too long here — it'll click once you see them used in context.
- Notes are solid. The number classification question is actually about "number systems" — you'll encounter these more in the lecture notes when they talk about fields and groups. For now, just know that N = natural numbers, Z = integers, R = real numbers. Check out the reference above for a simple breakdown of number sets.