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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?
Feb
12
answered Approximation of $e$ using $\pi$ and $\phi$?
Dec
11
comment Why $2\sqrt{x} + \sqrt{3}$ can’t be simplified any further?
Oops, no, didn't see it.