Perhaps, this question has been answered already but I am not aware of any existing answer. Is there any international icon or symbol for showing Contradiction or reaching a contradiction in …

Mar 7, 2021 · I studying the proof that the Petersen graph is not Hamiltonian, and in the proof, they used an observation that seems intuitively correct but I want to provide rigorous proof for …

Jul 21, 2025 · Worse, the argument can be (and has been) run in the other direction, and for example Sidgwick was a conservative, but one need not infer that any conservative particular …

Feb 14, 2018 · if you're worried that its negative, i think its okay, the denominator will be non-positive because x is a fraction. The negative in the numerator will cancel.

Aug 17, 2018 · if philosophy and psychology didn't exist, could humans be able to prove that we think and are capable of coming up with inventions, I mean we create things because we need …

Dec 21, 2022 · You shouldn't think of either rule as setting different priorities for multiplication and division, or for addition and subtraction. You need to work left to right for these. PEMDAS = …

Oct 7, 2016 · Then, \begin {align} \sum_ {n = 0}^ {\infty} {a_ {n} \over 2^ {n}}\,z^ {n} & = -\, {z^ {2} - 3z \over 2\pars {1 - z}^ {3}} = -\, {1 \over 2}\sum_ {n = 0}^ {\infty ...

Simply asking a question here. If I state that it is illogical for a tree to be the color blue, is that the same as stating that it is not logical for a tree to be the color blue? Does the wording of the two …

Jan 25, 2011 · Hoping to run into some mathcadders: I have a worksheet which includes the following except (and error) Any help?

Mar 28, 2022 · António Manuel Martins claims (@44:41 of his lecture "Fonseca on Signs") that the origin of what is now called the correspondence theory of truth, Veritas …