Grundrechenarten
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Bedeutung
Adds two quantities.
Referenz
Eine praktische Referenz für häufige mathematische Symbole mit Lesarten, LaTeX-Befehlen, Beispielen und Ideen für AI Fragen.
Grundrechenarten
Adds two quantities.
Grundrechenarten
Subtracts one quantity from another, or marks a negative value.
Grundrechenarten
Multiplies two quantities. In algebra, multiplication is often written with a dot or omitted.
Grundrechenarten
Divides one quantity by another nonzero quantity.
Grundrechenarten
Represents division or a ratio with a numerator and denominator.
Grundrechenarten
Indicates that both the positive and negative alternatives are being considered.
Grundrechenarten
The nonnegative value whose square is x, unless a different convention is stated.
Relationen
States that two expressions have the same value or represent the same object.
Relationen
Shows that two expressions do not have the same value.
Relationen
Indicates a rounded or approximate value rather than exact equality.
Relationen
Allows equality while comparing two quantities.
Relationen
Compares two quantities while allowing equality.
Relationen
Shows that one quantity changes by a constant multiple of another.
Mengenlehre
The set with no elements.
Mengenlehre
Shows that a value belongs to a set.
Mengenlehre
Shows that a value does not belong to a set.
Mengenlehre
Usually indicates that every element of one set is in another, and the two sets are not equal.
Mengenlehre
Allows two sets to be equal while stating subset inclusion.
Mengenlehre
Combines all elements that are in either set.
Mengenlehre
Keeps only the elements shared by both sets.
Logik
States that a claim applies to every object in a domain.
Logik
States that at least one object satisfying a condition exists.
Logik
Reverses the truth value of a statement.
Logik
True only when both connected statements are true.
Logik
True when at least one connected statement is true.
Logik
Connects a condition to a conclusion.
Logik
States that two statements imply each other.
Zahlenmengen
The set used for counting numbers. Whether 0 is included depends on convention.
Zahlenmengen
All whole numbers, including negative values, zero, and positive values.
Zahlenmengen
Numbers expressible as a ratio of two integers with nonzero denominator.
Zahlenmengen
Numbers represented on the continuous number line.
Zahlenmengen
Numbers of the form a+bi, where i is the imaginary unit.
Zahlenmengen
The constant ratio of a circle's circumference to its diameter.
Analysis
A symbol for unbounded growth or an unending process, not an ordinary real number.
Analysis
Adds a sequence of terms over an index range.
Analysis
Multiplies a sequence of terms over an index range.
Analysis
Represents accumulation, signed area, or an antiderivative depending on context.
Analysis
Used when differentiating a multivariable function with respect to one variable.
Analysis
Used for gradient, divergence, curl, and related vector-calculus operations.
Algebra
A rectangular arrangement of entries used to represent linear maps, systems, and data.
Algebra
Swaps rows and columns of a matrix.
Algebra
A matrix that multiplies with A to produce the identity matrix, when it exists.
Algebra
A scalar value that captures scaling, orientation, and invertibility information of a square matrix.
Geometrie
Represents an angle formed by two rays or segments.
Geometrie
A unit for measuring angles, where a full turn is 360 degrees.
Geometrie
Shows that two lines or vectors meet at a right angle.
Geometrie
Shows that two lines or vectors have the same direction and do not meet in a plane.
Klammern und Trennzeichen
The distance of a number from zero on the number line.
Klammern und Trennzeichen
The greatest integer less than or equal to x.
Klammern und Trennzeichen
The smallest integer greater than or equal to x.
Abkürzungen
Marks the end of a proof. Some texts use Q.E.D. or a filled square.
Abkürzungen
Introduces a conclusion that follows from previous statements.
Abkürzungen
Introduces a reason or supporting statement.
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