Ok, I am a little rusty on this Math thing# Please help.
Except(b) Intersect Except(c) Intersect Except(d) = I- (b Union c Union d)
Is this correct? Does it make sense at all? Thank you very much. My mind is very clouded lately, I can*t think straight.
- Re: Need help on Maths, pleaseposted on 03/09/2006
I think it should be = I 每 B union C union D 每 B n C n D.
But don't quote me on this, my math has been settled in a lifetime mortgage payment back to professor starting two decades ago.
- Re: Need help on Maths, pleaseposted on 03/09/2006
Reader2 wrote:
But don't quote me on this, my math has been settled in a lifetime mortgage payment back to professor starting two decades ago.
:)) - Re: Need help on Maths, pleaseposted on 03/09/2006
I vaguely remember something like is but I thought:
Except(B) n Except (C) = Except (B u C) = I 每 (B u C)
Isn't it correct?
Reader2 wrote:
I think it should be = I 每 B union C union D 每 B n C n D. - posted on 03/09/2006
Okay, why not get hands dirty for a moment,
E (B) n E (C) n E (D) =
(I 每 B) n (I 每 C ) n ( I 每 D) =
(I 每 B 每 C + BnC ) n ( I 每 D) =
I 每 B 每 C + BnC 每 D + BnD + CnD 每 BnCnD =
I 每 (B + C + D 每 BnC 每 BnD 每 CnD + BnCnD) =
I 每 BuCuD
Seems you were right in the first post, so I apologize for the unwarranted challenge. Now that the dull mathematical diversion has blown away the sweet cappuccino flavor from the lovely caf谷, I suspect we'll be the next two soon to be kicked out of here.
- Re: Need help on Maths, pleaseposted on 03/09/2006
Hee hee, I think a little bit of math would not be too bad for cafe, just like a little minty flavor in the coffee. Thanks for working it through with me.
- Re: Need help on Maths, pleaseposted on 03/09/2006
To see why it is so rather than to deduce, steal a Venn diagram. The gray area should be what's referred in the formula. Math is fun only if I can 'see' it, even if in my mind's eye, houhou.
- Re: Need help on Maths, pleaseposted on 03/10/2006
haha, I'd rather deduce by reader2's way much than 'see' that chart, actually, I try double time to understand that vene's instinct pic.
If all person here had reached the same or above level like here but not like at that savage valley field. - Re: Need help on Maths, pleaseposted on 03/10/2006
You are right. This is called De Morgen's Laws.
Susan wrote:
I vaguely remember something like is but I thought:
Except(B) n Except (C) = Except (B u C) = I 每 (B u C)
Isn't it correct?
Reader2 wrote:
I think it should be = I 每 B union C union D 每 B n C n D.
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