Stage 19 · Sets & Intervals — the Language of Functions

19.2.2 Set-Builder Notation

19.2 Writing a Set Down: Two Notations

Point 2 of 5

19.2.2 Set-Builder Notation

Core idea

When there are too many members, post an entry condition instead, writing {x | x is even}, where the bar reads "such that".

Module goal. Master listing and rule-based notation, switching freely between "naming members one by one" and "stating one rule"
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