1. A

    Comprehension Question

    Assuming it contained only sets that could exist within a model of ZF, a set of finite sets that contain only finite sets must be countable, correct? My reasoning, assuming I understand correctly, is that it follows from $L_{\omega} = V_{\omega}$ where $L$ and $V$ are as generally described...
  2. S

    reading comprehension

    What the meaning of apply: "A major goal for secondary school students in their study of elementary algebra is to understand, solve, and apply the quadratic equation."
  3. S

    reading comprehension

    What meaning of the verb strike in the expression: "to strike arcs"?
  4. S

    Order of Operations comprehension question

    Hello, this is my first post here, so please go easy on me! :ninja: Thank you for your time. As far as I understand: if x = a + b then x^{2} = (a + b)^{2} not x^{2} = a^{2} + b^{2} which I can easily check by asking does 5^{2} = 3^{2} + 2^{2}? No. My question is does anyone have a...