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Wedge ( ∧) is a symbol that looks similar to an in-line caret (^). It is used to represent various operations. In Unicode, the symbol is encoded U+2227 ∧ LOGICAL AND ( ∧, ∧) and by \wedge and \land in TeX. The opposite symbol (∨) is called a vel, or sometimes a (descending) wedge.
The descending wedge symbol ∨ may represent: Logical disjunction in propositional logic. Join in lattice theory. The wedge sum in topology. The V sign, a symbol representing peace among other things. The vertically reflected symbol, ∧, is a wedge, and often denotes related or dual operators.
Jan 5, 2019 · ∧ ∧ is (most often) the mathematical symbol for logical conjunction, which is equivalent to the AND operator you're used to. Similarly ∨ ∨ is (most often) logical disjunction, which would be equivalent to the OR operator.
- $\wedge$ is exactly 'and' in this context. $\vee$ means 'or'. You can notice the similarity both in form and meaning with $\cap$ and $\cup$ from se...
- $\wedge$ is (most often) the mathematical symbol for logical conjunction , which is equivalent to the AND operator you're used to. Similarly $\vee$...
- Yes, this symbol is generally used to denote AND. See the wikipedia article on Logical Conjunction : $ A\land B$ is true only if $A$ is true and $B...
- Usage in Various Countries
- See Also
- Further Reading
Poland
As of 2014[update] in Poland, the universal quantifier is sometimes written ⋀ {\displaystyle \bigwedge } , and the existential quantifier as ⋁ {\displaystyle \bigvee } [citation needed]. The same applies for Germany[citation needed].
Japan
The ⇒ symbol is often used in text to mean "result" or "conclusion", as in "We examined whether to sell the product ⇒ We will not sell it". [citation needed]Also, the → symbol is often used to denote "changed to", as in the sentence "The interest rate changed. March 20% → April 21%".
Turkey
The negation symbol is commonly written as the prime symbol (′ ). Example: p′
Józef Maria Bocheński (1959), A Précis of Mathematical Logic, trans., Otto Bird, from the French and German editions, Dordrecht, South Holland: D. Reidel.
Oct 15, 2014 · In exterior algebra, a wedge product is written with an upward-pointing wedge, like this: α ∧ β. α ∧ β. The wedge sum in topology is written with a downward-pointing wedge. Only one of those symbols can be called \wedge in LaTeX. Evidently the terminology from exterior algebra won in this case.
- The inconsistency comes from different mathematicians doing different branches of mathematics. In exterior algebra, a wedge product is written with...
- A wedge refers to the shape of this object : It doesn't matter if it's facing up or down, it's still a wedge. But since there was a need for two co...
- I believe the reason for the command for $\wedge$ being \wedge in $\LaTeX$ is not related to any mathematical definition, but rather related to the...
- The thing is that 'wedge' may also refer to the wedge product in the exterior algebra (or differential forms), which is also writen as $\wedge$. I'...
3 days ago · In solid geometry, ungulae like the conical wedge, cylindrical wedge, and spherical wedge are commonly known as wedges. However, when the term is used by itself in solid geometry, "wedge" refers a right triangular prism turned so that it rests on one of its lateral...
Where did this notation come from? I keep getting them mixed up because to me, ∧ ∧ should be a maximum: it's a hill, or a curve reaching its maximum. Similarly, ∨ ∨ is a gulf, or a curve reaching its minimum, so it should be minimum.
