8
   

!= or /= or basically the not equal sign

 
 
justforthispost
 
  2  
Reply Mon 5 Apr, 2010 10:25 pm
@Craven de Kere,
"~=" in matlab
0 Replies
 
PhysicsDude
 
  2  
Reply Wed 13 Apr, 2011 03:04 pm
@Litoz,
¬ is the logical "NOT" in mathematics and physics (same language Smile )
∧ is AND
∨ is OR
⊻ is XOR
∀ is For any... or - Universal quantifier
∃ is "There exist" or - Existence quantifier
∃! is There exist only one..." - or - Uniqueness quantifier
≡ is definition, sometimes := or :⇔

etc,etc...
0 Replies
 
Thomas
 
  2  
Reply Fri 27 May, 2011 07:13 pm
@Craven de Kere,
Currently I have two languages of choice. In one of them, I write
Code:>>> 1 != 2
True

In the other, it's

Code:(not (eq? 1 2))
#t

In both cases, I'm typing into a shell, and the second line represents the computer's response.
0 Replies
 
xdleet
 
  1  
Reply Thu 6 Nov, 2014 12:29 am
@ebrown p,
U should rather have interpreted this as a division of 'foo' by '=bar', if that was your initial line of thought...
0 Replies
 
StephenBotsford
 
  1  
Reply Wed 17 Dec, 2014 04:37 am
I know that != is a not equals to sign, but didn't know /= is also a not equals to sign.
< And > is less than and greater than sign.
0 Replies
 
 

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