# Logic Either..Or

## What is either or in logic?

Part 1.

In every day language we use the phrase “either A or B” to mean that one of the two options holds, but not both. For example, when most people say something like “You can have either a hot dog or hamburger,” they usually aren’t offering you both.

## Is either or and/or the same math?

Either A or B means the same as A or B. Each can mean or used in the inclusive or exclusive sense. Usually, the inclusive sense is used in mathematics and the exclusive sense in everyday life. In any case, further specification or context will remove any doubt.

## Does either or mean exclusive or?

In everyday speech, “or” is usually exclusive even without “either.” In mathematics or logic though “or” is inclusive unless explicitly specified otherwise, even with “either.” This is not a fundamental law of the universe, it is simply a virtually universal convention in these subjects.

## What does ∨ mean in math?

The statement A ∨ B is true if A or B (or both) are true; if both are false, the statement is false.

## Is either-or XOR or OR?

Therefore, either-or is XOR. BTW, in logic, “or” is often used to describe inclusive or, but in nature language, we also use it to describe exclusive-or situation. For example, “Would you like coffee or tea?” means either of them, but not both.

## What does or mean in logic?

one or the other or both

In mathematics, the word “or” means “one or the other or both”. Therefore in logic, “or” includes the case when both atomic parts of the state are true.

## Does Plus MEAN and or or?

The most commonly used symbol is a plus sign (+). The simplest use of the OR symbol is with a sentence consisting of two statements. For example, if A represents the statement ‘It is raining’ and B represents the statement ‘It is snowing’, then A + B represents the statement ‘It is raining or snowing, or both. ‘

## How do you write or in logic in math?

A connective in logic which yields true if any one of a sequence conditions is true, and false if all conditions are false. In formal logic, the term disjunction (or, more specifically, inclusive disjunction) is commonly used to describe the OR operator. (Simpson 1987, p. 539).

 T F T F T T F F F

## What does || U || mean?

||u|| and the distance between u and v by. Distance = ||u – v|| The angle q between two vectors is defined by. u .

## What does || mean in vector?

Magnitude of a Vector

Magnitude of a Vector
The magnitude of a vector is shown by two vertical bars on either side of the vector: |a| OR it can be written with double vertical bars (so as not to confuse it with absolute value): ||a||

## What does tops mean slang?

/ (tɒps) slang / noun. a person or thing of top quality. adjective. (postpositive) excellent; superb.