Cees Timmerman
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 Nov27 revised Notation of exactness added 355 characters in body Nov27 comment Notation of exactness @Lucian WolframAlpha says lim_(x->infinity) (2+2) = 4. Nov26 comment Notation of exactness Thus proving Einstein's "Imagination is more important than knowledge." Nov26 awarded Commentator Nov26 comment Notation of exactness I'll take that as a yes. Nov26 comment Notation of exactness So 2 + 2 = 4 is not universally true, because in apples, people may not believe that the second pair of apples exists? Nov26 comment Notation of exactness My bad, that answer proved the proof for 2 + 2 = 5 false. Nov26 awarded Scholar Nov26 accepted Notation of exactness Nov26 comment Notation of exactness It appears that i misread that answer; it proves that the given proof is incorrect. Nov26 comment Notation of exactness I thought math as accepted here was universally true. Nov26 comment Notation of exactness Almost never is not never. How is this correct when your answer is also correct? Nov26 comment Notation of exactness In Python, 2. is 2.0. As linked, 2 + 2 = 5 here. How is that possible if those values are exact? Nov26 comment Notation of exactness Okay, so in math "2 apples" are exactly two apples, but in other science i have to write "exactly" if it's not clear from the context? Then what about the mathematical proof that 2 + 2 = 5? Nov26 awarded Editor Nov26 revised Notation of exactness added 55 characters in body Nov26 asked Notation of exactness May5 comment Why is Infinity multiplied by Zero not an easy Zero answer? So you're saying 0 is not 0? How about "You can't limit infinity."? Nov12 comment What are some examples of notation that really improved mathematics? When'd one use those, though? The universe is estimated to contain only 1e82 particles. Nov12 awarded Supporter