What does ⊕ mean in math?

The symbol ⊕ means direct sum. The direct sum of two abelian groups G and H is the abelian group on the set G×H (cartesian product) with the group operation given by (g,h)+(g′,h′)=(g+g′,h+h′).

What does ⊕ mean?

⊕ (logic) exclusive or. (logic) intensional disjunction, as in some relevant logics. (mathematics) direct sum. (mathematics) An operator indicating special-defined operation that is similar to addition.

What is ⊕ called?

⊕ (Unicode character "circled plus", U+2295) or ⨁ ("n-ary circled plus", U+2A01) may refer to: Direct sum, an operation from abstract algebra. Dilation (morphology), mathematical morphology. Exclusive or, a logical operation that outputs true only when inputs differ.

What does plus with circle mean?

The circle with a plus sign icon means that you have enabled the phone's data saver feature.

What does a ⊕ B mean?

Definition: The symmetric difference of set A and set B, denoted by A ⊕ B, is the set containing those elements in exactly one of A and B. Formally: A ⊕ B = (A − B) ∪ (B − A). Venn Diagram of Symmetric Difference Operation: U.

Math Antics - Mean, Median and Mode

What does this mean ⊙?

⊙ (mathematics, physics) A vector pointing out of the page. (mathematics) An operator indicating special-defined operation that is similar to dot product. (computing, dated) ISO 2047 symbol for Shift In. (boolean algebra) XNOR gate.

What does basterd mean?

bas•tard. (ˈbæs tərd) n. 1. a person born of unmarried parents; an illegitimate child.

What does a cross with circle around it mean?

A square cross interlocking with or surrounded by a circle is one of the most popular symbols used by individuals and organisations to represent white nationalism, white supremacy, Neo-Nazism, and white pride.

What is a circle with a cross in it on my phone?

Trusted Member. Circle with slash means you tapped the volume button and then selected "None". It means you are in silent mode.

What comes first question mark or exclamation?

Periods go at the end of declarative sentences, question marks go at the end of interrogative sentences, and exclamation points go at the end of exclamatory sentences. An exclamatory sentence is one that expresses a strong or forceful emotion, such as anger, surprise, or joy.

Is there a symbol for and or?

"And/or" is just called "or" and is represented as ∨ , from the Latin vel meaning or. But note that it's a separate symbol from the letter "v", though similar. In contrast, "or" in the sense of "this one or that one but never both" is called "exclusive or" or "xor" and can be symbolized as ⊻ or ⊕ .

What does oplus mean?

Acronym. Definition. OPLUS. Oberlin Pro-Life Union of Students (Oberlin College; Ohio)

What called female?

Definition of female (Entry 2 of 2) 1a : a female person : a woman or a girl. b : an individual of the sex that is typically capable of bearing young or producing eggs.

What does 3 dots after a number mean?

mean in Math? The Ellipsis! An ellipsis is a series of dots (typically three, such as “…”) that usually indicates an intentional omission of a word, sentence, or whole section from a text without altering its original meaning.

What does ∆ mean in math?

∆: Means “change” or “difference”, as in the equation of a line's slope: 2. 1. 2. 1.

What is this circle on my Android phone?

Repeated touches is one of the accessibility features of the Samsung devices. This blue circle indicates where you are touching on the screen. If the blue circle also appears on your screen, it might be because an “Ignore Repeated Touches” feature has been turned on.

What is the cross with oval on top?

The Ankh, a cross crowned by an oval, refers to the reconciliation of the opposites (feminine – masculine) and also to the symbol used to designate the planet Venus, a reason that makes it an element of numerous feminine cults.

Does B mean BAE?

B is a letter, yes, but it's also a shortening of several words: brother, babe, bae, boo … you get the point. People love creating abbreviations … and what's the easiest abbreviation to create?

What is a child called without a father?

In the common use, an orphan does not have any surviving parent to care for them. However, the United Nations Children's Fund (UNICEF), Joint United Nations Programme on HIV and AIDS (UNAIDS), and other groups label any child who has lost one parent as an orphan.

What does a circle within a circle mean?

Noun. circle-A. Ⓐ; The symbol of anarchism; an A inside a circle (and often extending slightly beyond it). The symbol is derived from the slogan "Anarchy is Order" by French anarchist Pierre-Joseph Proudhon.

What does ☆ mean?

“☆” is a stylish version of “・” captures the essence very well. It is typically seen in proper names of songs, works, groups, and people (pseudonyms). It doesn't need to replace a specific symbol, but can be inserted in the middle of any conceived "breaking point" as if a versatile divider (聖☆おにいさん or even 遊☆戯☆王).

What is Hammer slang for?

If you say that someone hammers another person, you mean that they attack, criticize, or punish the other person severely. Democrats insisted they will continue to hammer the President on his tax plan. Synonyms: criticize, condemn, censure, rebuke More Synonyms of hammer.

Does Plus MEAN and or or?

From Wiki: In logic and mathematics, or is a truth-functional operator also known as (inclusive) disjunction and alternation. The logical connective that represents this operator is also known as "or", and typically written as v or + .

What does ↔ mean in math?

Symbol ↔ or ⟺ denote usually the equivalence, commonly known also as "NXOR", "if and only if" or "iff" for short (see also its Wikipedia page). More precisely p↔q is equal to (p→q)∧(q→p)