Juan
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 Jan 7 awarded Necromancer Oct 22 revised Calculate distance in 3D space added 6 characters in body Jun 28 awarded Yearling Jun 28 accepted Can ∂x and ∂y in a derivate be seen as ∂ times x or ∂ times y? Jun 27 comment Can ∂x and ∂y in a derivate be seen as ∂ times x or ∂ times y? @ASKASK Thanks! Is the dot symbol also a convention or just a typo? BTW this seems like an answer to my question so feel free to post it as such. Jun 27 asked Can ∂x and ∂y in a derivate be seen as ∂ times x or ∂ times y? Sep 16 awarded Teacher Jul 2 awarded Curious Feb 20 answered Calculate distance in 3D space Jan 7 comment How do I convince someone that $1+1=2$ may not necessarily be true? Note that while 1 + 1 = 2 can be false if you use different axioms, 1 + 1 = 2 is not itself an axiom. So using the Peano Axioms (which are usually implied unless otherwise stated), 1 + 1 = 2 can only be true since it necessarily follows from the axioms. Dec 17 accepted Which real numbers have two representations? Dec 17 comment Which real numbers have two representations? Here 'terminates' refers to the same kind of reals I was referring to as ending with 0000... right? Dec 17 awarded Commentator Dec 17 comment Which real numbers have two representations? Yeah, in decimal base. Dec 17 comment Refuting the Anti-Cantor Cranks I think this actually shows that before applying Cantor's argument to any list, you need to make it at least base 4 and then use two numbers in the middle (such as 4 and 5 in base 10) to generate the anti-diagonal. Dec 17 asked Which real numbers have two representations? Dec 17 comment Refuting the Anti-Cantor Cranks Would downvoters mind providing a proof that this argument is wrong instead? As far as I understand, Cantor's argument should work in any base, with any arbitrary infinite list of reals. Dec 4 comment Random range that iteratively multiplied by itself tends to 1 So this is why I was having so much trouble trying to figure out myself why it works... Dec 4 accepted Random range that iteratively multiplied by itself tends to 1 Dec 4 accepted Simple or maybe not so simple probabilistic question