query: Is Euler's totient function surjective?
positive_passages.docid: 145549
positive_passages.text: Generalizing values which Euler's-totient function does not take
negative_passages.docid: 45958
negative_passages.text: Proof that the Euler characteristic is additive
negative_passages.docid: 117793
negative_passages.text: Finding a function $\mathbb{N} \to \mathbb{N}$ that is surjective but not injective.
negative_passages.docid: 110885
negative_passages.text: Does there exists a continuous surjection from $\mathbb{R}$ to $\mathbb{R}^2$?
negative_passages.docid: 73526
negative_passages.text: The equivalence of "Every surjection has a right inverse" and the Axiom of Choice
negative_passages.docid: 110014
negative_passages.text: Right Inverse for Surjective Function
negative_passages.docid: 13193
negative_passages.text: Does a inverse function need to be either surjective or injective?
negative_passages.docid: 20706
negative_passages.text: Non-existence of a Surjective Function from a Set to Its Subsets (Cantor's theorem)
negative_passages.docid: 117502
negative_passages.text: Proving that a certain continuous function is surjective.
negative_passages.docid: 11813
negative_passages.text: Injective functions also surjective?
negative_passages.docid: 138481
negative_passages.text: $f(x)=x/1$ is not injective?
negative_passages.docid: 35953
negative_passages.text: Prove that a function is not injective
negative_passages.docid: 146356
negative_passages.text: To prove two sets are isomorphic is it sufficient to find 2 injections or 2 surjections?
negative_passages.docid: 19245
negative_passages.text: Schwartz Distribution Theory: (Non-)Surjectivity of $f \mapsto f*f$ in $ \mathcal E '$
negative_passages.docid: 1117
negative_passages.text: Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?
negative_passages.docid: 80626
negative_passages.text: Is this an equivalent formulation of "surjective" resp. "epimorphism"?
negative_passages.docid: 137175
negative_passages.text: Fermat's little theorem proof by Euler