Googling this question has proved somewhat useless, so the ¬ symbol:
- What is it for?
- What is is called?
- Is it used in any programming languages?
Alek RichterEnlightened
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Googling this question has proved somewhat useless, so the ¬ symbol:
The only use I’ve seen for the ¬ symbol is to represent negation in the context of formal logic. For instance, if P is the proposition “It will rain today”, then ¬P is the proposition “It will not rain today.” I’ve also seen ~ used for this.
I don’t believe it has an actual name other than “negation symbol”. Normally it’s read as “not”.
As far as I know, in programming this symbol has no special meaning, at least not in any mainstream languages I’ve used.