Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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#1 2010-02-08 01:15:59
- goldensecret
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- Registered: 2010-02-08
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Show that: A∆(B∆C) = (A∆B) ∆C
help me...
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#2 2010-02-08 03:04:36
- Ricky
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- Registered: 2005-12-04
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Re: Show that: A∆(B∆C) = (A∆B) ∆C
Δ here is symmetric difference of sets?
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."
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#3 2010-02-08 05:06:48
- goldensecret
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Re: Show that: A∆(B∆C) = (A∆B) ∆C
AΔb = Aυb - A∩b
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