UnkleRhaukus
  • UnkleRhaukus
What does/can this mean \[b|a\]
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
conditional probability?
hartnn
  • hartnn
b divides a
hartnn
  • hartnn
3|24

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hartnn
  • hartnn
a is the multiple of b
ganeshie8
  • ganeshie8
also, bitwise or
anonymous
  • anonymous
"b given a" or "b such that a . . ."
swissgirl
  • swissgirl
hmmm it has a diff meaning. I forgot what it was though. Something confusing that is forsure
anonymous
  • anonymous
Might be part of a Bra-Ket as well...
anonymous
  • anonymous
i.e.
swissgirl
  • swissgirl
hahahahah ok gonna go get my book.
swissgirl
  • swissgirl
I messed up. I got it confused with \(A|_B\)
anonymous
  • anonymous
By itself like that, I am more inclined to go with 'a divides b.'
swissgirl
  • swissgirl
and now that I think abt it if its referring to numbers then hartnn's explanation is correct
anonymous
  • anonymous
er, right 'b divides a' forgot the order for a sec..
swissgirl
  • swissgirl
I have a feeling that the topic is Relations so ya it wld be referring to the dividing
anonymous
  • anonymous
Who knows. Unkle is the kind of guy who will try to tell you that 0×∞ = -1, so it could mean anything to him.
swissgirl
  • swissgirl
hahahah true but I know he is taking some course similar to discrete math so that one of the topics covered
anonymous
  • anonymous
i love that sign
UnkleRhaukus
  • UnkleRhaukus
according to course im taking \(b|a\) means \(a\) is divisible by \(b\) which is values of either true, or false
anonymous
  • anonymous
Ok, that's pretty standard then. Here's a fun fact, in typology, the '|' symbol is called the "pipe."
UnkleRhaukus
  • UnkleRhaukus
hey i knew that
swissgirl
  • swissgirl
Oh That is an awesome fun fact :P
anonymous
  • anonymous
I kinda made up that word, "typology," though; apparently that already means something else. What I meant was "type-setting."
swissgirl
  • swissgirl
I misread that as topology -_-
UnkleRhaukus
  • UnkleRhaukus
study of typing
swissgirl
  • swissgirl
They should totally create a study group for typology
UnkleRhaukus
  • UnkleRhaukus
is seven divisible by zero \[0|7=\]
UnkleRhaukus
  • UnkleRhaukus
false?
swissgirl
  • swissgirl
U cant divide by 0
swissgirl
  • swissgirl
Like it will just go to infinity
anonymous
  • anonymous
@swissgirl positive infinity or negative infinity?
anonymous
  • anonymous
Zero doesn't divide anything.
swissgirl
  • swissgirl
good question @CliffSedge lol
UnkleRhaukus
  • UnkleRhaukus
is zero divisible by nine 9|0=
anonymous
  • anonymous
One also doesn't divide anything since it leaves the dividend unchanged.
swissgirl
  • swissgirl
yes it equals 0
UnkleRhaukus
  • UnkleRhaukus
so true?
swissgirl
  • swissgirl
Well I would say its true but I am not the kind of person u can rely on
UnkleRhaukus
  • UnkleRhaukus
and \[1|1\]is false @CliffSedge ?
anonymous
  • anonymous
Zero is divisible by everything, but I wouldn't say that zero is *divided* by anything.
swissgirl
  • swissgirl
Nope that would be true 1|1 is true
swissgirl
  • swissgirl
1/1=1
UnkleRhaukus
  • UnkleRhaukus
but...
anonymous
  • anonymous
There is a difference between "divides" and "is divisible by."
hartnn
  • hartnn
i would say , just do a/b if that comes out to be integer , then true, else false
anonymous
  • anonymous
^ that's a good computer-science algorithm
UnkleRhaukus
  • UnkleRhaukus
so 0|7 F 9|0 T 0|0 F 1|1 T 7|44 F 7|-42 T -7|49 T -7|-56 T
swissgirl
  • swissgirl
Correct
UnkleRhaukus
  • UnkleRhaukus
b|a is b a factor of a
swissgirl
  • swissgirl
Yes I would say sooo
hartnn
  • hartnn
yes
swissgirl
  • swissgirl
hmmm the only one which seems like it isnt is 9|0
swissgirl
  • swissgirl
How can 9 be a factor of 0 unless anything can be a factor of 0
anonymous
  • anonymous
Being a factor and being a divisor are two different things (but that distinction might not matter in the application you are using).
swissgirl
  • swissgirl
Can 9 be a factor of 0 @CliffSedge
anonymous
  • anonymous
Yes. 9 × 0 = 0.
swissgirl
  • swissgirl
Gotcha
UnkleRhaukus
  • UnkleRhaukus
thanks everyone
swissgirl
  • swissgirl
Nicht kein problema

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