Quiz 1 is here.
Solutions follow.
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Andrés Caicedo
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Mathoverflow- Answer by Andrés E. Caicedo for Does $\mathsf{SVC}^\ast$ exist?
- Answer by Andrés E. Caicedo for Counterintuitive consequences of the Axiom of Determinacy?
- Answer by Andrés E. Caicedo for Perfect set property for projective hierarchy
- Answer by Andrés E. Caicedo for Is all ordinary mathematics contained in high school mathematics?
- Answer by Andrés E. Caicedo for Which types of Diophantine equations are solvable?
- Convergence of $\sum(n^3\sin^2n)^{-1}$
- Answer by Andrés E. Caicedo for Well known theorems that have not been proved
- Answer by Andrés E. Caicedo for Where is the Erdős–Rado theorem stated in Erdős and Rado's Bull AMS paper?
- Answer by Andrés E. Caicedo for The Erdős-Turán conjecture or the Erdős' conjecture?
- Relative densities
- Math.StackExchange
- Answer by Andrés E. Caicedo for Example of ZF model with non-absolute property
- Answer by Andrés E. Caicedo for Why König's lemma isn't "obvious"?
- Answer by Andrés E. Caicedo for Mapping Reflection Principle
- Answer by Andrés E. Caicedo for Proving $\kappa^{\lambda} = |\{X: X \subseteq \kappa, |X|=\lambda\}|$
- Answer by Andrés E. Caicedo for ZFC results first proved using $V=L$ or the diamond principle?
- Answer by Andrés E. Caicedo for Reference for combinatorial game theory.
- Answer by Andrés E. Caicedo for Inequality Regarding Subtraction of Transfinite Cardinals. Is this correct? $\aleph_0 - \aleph_0 \le \aleph_0$
- Answer by Andrés E. Caicedo for When can you subtract cardinals? Does $|A|+|C|=|B|+|C|>|C|$ imply $|A|=|B|$ in ZF?
- Answer by Andrés E. Caicedo for Which forcing axioms may be destroyed through forcings which preserve $2^{\aleph_0}=\aleph_2$?
- Answer by Andrés E. Caicedo for What is the cardinality of $A \times \mathbb N$ if $\left \lvert A \right \rvert \geq \aleph_0\ $?
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