Questions tagged [injective]

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DigitalDragonfly DigitalDragonfly Tue Oct 15 2024 | 7 answers 1063

How do you show something is injective?

I'm trying to understand how to prove that a function is injective. I know the basic definition, but I'm looking for specific steps or strategies to demonstrate injectivity.

How do you show something is injective?
BlockchainLegend BlockchainLegend Mon Oct 14 2024 | 5 answers 1135

How to proof an injective?

I'm trying to figure out how to prove that a function is injective. I know it involves showing that every element in the domain maps to a unique element in the codomain, but I'm not sure how to formally demonstrate this.

How to proof an injective?
Pietro Pietro Mon Oct 14 2024 | 6 answers 1837

What does it mean for a set to be injective?

I'm trying to understand the concept of a set being injective. I want to know what it means for a set to have this property and how it's defined mathematically.

What does it mean for a set to be injective?
Elena Elena Mon Oct 14 2024 | 7 answers 1536

What does it mean to not be injective?

I'm trying to understand the concept of not being injective in mathematical functions. Specifically, I want to know what it implies when a function fails to be injective, and how it affects the relationship between input and output values in the function.

What does it mean to not be injective?
BitcoinBaron BitcoinBaron Mon Oct 14 2024 | 5 answers 884

What is not an injective?

I'm trying to understand the concept of injectivity in mathematics, specifically in the context of functions. I know that an injective function is one that maps distinct elements of its domain to distinct elements of its codomain. Now, I'm interested in exploring what it means when a function is not injective.

What is not an injective?

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