Oltarus

382 reputation

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visits	member for	1 year, 6 months
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	382 reputation	bio	website		visits	member for	1 year, 6 months
17 badges		location			seen	12 hours ago

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Apr 2	comment	Best Fake Proofs? (A M.SE April Fools Day collection) Someone with an art degree would say: all odd numbers are prime? Let's check: 1 is prime, 2 is prime, 3 is prime, 4 is prime, 5 is prime, ...
Oct 28	awarded	Yearling
Sep 12	awarded	Nice Question
Jul 19	comment	Are there an infinite set of sets that only have one element in common with each other? Also: there are some cards that have the same symbol in common. For example: there are 3+ cards with a heart, as shown here: party-games.fr/client/gfx/photos/produit/DOBBLE_PS_778.jpg, which would imply to your calculation that there are points that are on 3+ lines.
Jul 19	revised	Are there an infinite set of sets that only have one element in common with each other? added 104 characters in body
Jul 19	comment	Are there an infinite set of sets that only have one element in common with each other? Hehe, I didn't lose any cards, it's the number of cards included in the game, according to the box. That same box also tells me there are 50 symbols altogether, if it helps.
Jul 19	revised	Are there an infinite set of sets that only have one element in common with each other? Added an example
Jul 19	comment	Are there an infinite set of sets that only have one element in common with each other? Very interresting, @AndreaMori. If you have a complete explanation, I would love to hear it.
Jul 19	comment	Are there an infinite set of sets that only have one element in common with each other? Yes, the number of elements altograther is missing. I don't know it. I added an edit: each element appear in the same number of sets.
Jul 19	comment	Are there an infinite set of sets that only have one element in common with each other? Duh, of course. Sorry, my bad. I edited the question. Your answer is perfectly correct but my question was missing something.
Jul 19	revised	Are there an infinite set of sets that only have one element in common with each other? Added a requirement
Jul 19	revised	Are there an infinite set of sets that only have one element in common with each other? added 55 characters in body
Jul 19	asked	Are there an infinite set of sets that only have one element in common with each other?
Jun 27	accepted	What is the shortest sequence that contains every permutation of $1..n$?
Jun 25	accepted	Trick to find multiples mentally
Jun 25	accepted	What is $\gneq$?
Jun 25	asked	What is the shortest sequence that contains every permutation of $1..n$?
Jun 7	accepted	How to prove such a function doesn't exist?
Jun 7	comment	How to prove such a function doesn't exist? Yeah, well… ahem… thanks.
Jun 7	asked	How to prove such a function doesn't exist?