Set Builder Notation

  • {π‘₯1𝑣1 + π‘₯2𝑣2 + … + π‘₯𝑛𝑣𝑛 | π‘₯1,π‘₯2,…,π‘₯𝑛 ∊ ℝ}

Reads as: β€œthe set of all things of form π‘₯1𝑣1 + π‘₯2𝑣2 + … + π‘₯𝑛𝑣𝑛 such that π‘₯1,π‘₯2,…,π‘₯𝑛 are in ℝ”