Concepts
Identity function
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Concepts
Identity function
Function that returns its argument unchanged
legendary · Q321119
Related cards · idempotent function
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Concepts
Floor and ceiling functions
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Concepts
Absolute value
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Concepts
Arrow of time
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Concepts
Projection (linear algebra)
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Concepts
Empirical distribution function
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Concepts
Closure (topology)
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Related cards · surjective function
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Works
Anagram
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Concepts
Bijection
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Concepts
Homeomorphism
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Concepts
Negation
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Concepts
Derangement
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Concepts
Shuffling
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Related cards · endorelation
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Concepts
Alphabetical order
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Concepts
Total order
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Concepts
Lexicographic order
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Concepts
Chernoff bound
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Concepts
Equality (mathematics)
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Concepts
Well-order
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