WWGD's latest activity
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.Look up NJ Wildberger, he's got a YouTube channel.https://youtube.com/shorts/8uGQyxt_Pso?si=_dT3apQAHr12U4Pb
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WThis discussion seems to continue (here and elsewhere) without limit. However, at least in my lifetime, I suspect it will never be...
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.Similary, in compact spaces, infinite unions of sets in covers can be replaced by finite subcovers. Alternatively, an infinity of atoms...
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.I think no, if you mean a finite universe of elements. Not sure if you need finitely- many predicates too. Then just checking finitely...
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WWWGD reacted to Astronuc's post in the thread Structural failure (buckling) of columns in NY City building, 235 E 42nd Street with
Like.
Someone failed to do proper calculations/analysis... -
WWWGD replied to the thread Undergrad Is infinity a necessary concept?.-1/12 is the value of the analytic continuation of the Riemann Zeta ( ## \Sigma_n=1 ^ {\infty) \frac {1}{n^s } ## , at s=-1. Have...
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.It's an issue of Analytic Continuation of a series, where analyticity is by default defined within open balls, though no valid reason...
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.So maybe Compact is an intermediate term, condition between finiteness and infinity. I can see a setup for a new cologne: " Between...
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WWWGD replied to the thread Undergrad Is infinity a necessary concept?.Op may want to consider the idea of compactification, where access to ##\infty## unboundedness is restricted or collapsed. In maybe the...
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WWWGD reacted to anuttarasammyak's post in the thread Undergrad Is infinity a necessary concept? with Like.
1 and 2 are not troubles for me. 3 is not correct saying. $$1+2+3+4+… \neq \zeta (-1) =-1/12$$