A Group Homomorphism is Injective iff it's Kernel is Trivial Proof

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A Group Homomorphism is Injective iff it's Kernel is Trivial Proof
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Seems like the first video in this 117 video series where kernel is introduced. I realize it's probably hard to keep everything in order with so many videos, after all, there are 117! possible permutations 😀

MrCoreyTexas
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How did you take the inverse when you don't know that it is a bijection

kritikamishra