For each ordinal number i, recurisively define:
\begin{equation*}\begin{split}
Z_0 = \{ \varnothing \} \\
Z_i = (\bigcup_{j < i} Z_j) \cup \mathcal{P}(\bigcup_{j < i} Z_j)
\end{split}\end{equation*}
Definition: A set S is a Z-set iff there is an ordinal i such that S \in Z_i...
hii I'm in grade 11 and this is regarding an improtant physics projectwhere i need to build a device/ transporter ( I'm GUESSING thst it should be something like a car)this device has to move and have a displacement of 5m north at least and it can obtain its energy to move only form a rubber...
Hello,
I am having trouble understanding the solution to a problem. It should be straightforward but as usual it is not straightforward to me.
Question:
Construct a triangle ABC given side a, angle B, and the length of the median from C.
Now, I first construct the side a (side BC). I...
There is the hydrogen bomb and there is the nuclear weapon that uses plutonium. As far as I know the atomic structure of hydrogen versus plutonium are at the opposite ends of the chemical chart spectrum. Hydrogen having the least atomic weight of all elements and plutonium having a very high...