Recent questions in Indirect Proof

assuolareuz
2022-08-14

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Ebone6v
2022-08-13

Prove that, if $R$ is a total order and $b$ is a minimal element of $B$, then $b$ is the smallest element of $B$.

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pigskiniv
2022-08-12

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yongenelowk
2022-08-11

Proves directly that $lim\u2006sup\{{a}_{n}+{b}_{n}\}\le lim\u2006sup\{{a}_{n}\}+lim\u2006sup\{{b}_{n}\}$

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Matonya
2022-08-11

$T(X)=(R,V)=({X}_{(n)}-{X}_{(1)},\frac{{X}_{(n)}+{X}_{(1)}}{2})$

is a minimal sufficient statistic for $\theta $.

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Rose Graves
2022-08-10

$\u22a2\ast [(\alpha \to \beta )\to \alpha ]\to \alpha $

in a calculus that has modus ponens, the Deduction Theorem, Cut rule, Inconsistency effect and Principle of Indirect Proof?

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Leia Hood
2022-08-09

$5\mid n\phantom{\rule{thickmathspace}{0ex}}\u27fa\phantom{\rule{thickmathspace}{0ex}}5\mid {n}^{2}$

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Jaylyn Gibson
2022-08-06

can we actually prove it without using contradiction?

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Stephanie Hunter
2022-07-19

Suppose $k$ is odd and $l$ is odd, then there exist integers $a$ and $b$ such that $k=2a+1$, so $kl=(ab??)$

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Jadon Melendez
2022-07-17