Mathematics
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Air Mike's user avatar
Air Mike
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My hobbies include mathematics, reading books and enjoying nature

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All Questions Answers
Score Newest
answer
9
How to calculate $\theta = \arcsin\left(\frac{1}{2}\right)$ with given four function calculator?
Aug 15, 2020
answer
8
Understanding subset terminology
Aug 23, 2020
question
6
Let $b \in [0,1)$. Prove that $\frac{b}{1-b} \in [0,\infty)$
Jul 16, 2020
question
6
Understanding the proof of Definition by Recursion
Aug 6, 2021
question
5
Show that $f^{-1}(B)=A$
Jun 22, 2020
answer
5
Determine whether $[(p \vee q \vee r) \wedge (\neg p \to s) \wedge (\neg q \to s)] \to (r \to s)$ is a tautology?
Sep 15, 2020
question
4
To prove that an operation is well-defined in modular arithmetic
Aug 5, 2020
answer
4
How do I prove $\neg(P\land Q)\to(\neg P\lor(\neg P\lor Q))\iff(\neg P\lor Q)$ without using a truth table?
Sep 6, 2020
answer
4
Equivalence relation criteria
Aug 10, 2020
question
4
On formalising logic
Aug 14, 2021

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