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  • grapes's Avatar
    03-19-2017, 06:55 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    So, your pdf repeats the same thing in the space of three lines, I leave off one of the repetitions and you complain I took the whole thing out of...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 03:46 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    No, it was there: Again, I was just pointing out places where you claimed two expressions were equal, but it's easily shown that they're not...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 01:26 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    I'm just complaining about the equals signs. Your *equations* are wrong. Of course it invalidates your "proof". For *any* solution to c^n =...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 12:26 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    The pdf at that link in your signature still contains your erroneous "proofs". On the first page it says: No, for positive numbers, 2ab is never...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 11:27 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    The dot product (\vec{a}\cdot\vec{b}) is *always* zero, no matter which positives integers a and b are, whether they are a part of a Pythagorean...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 10:27 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    I was just pointing out one of the mistakes that invalidate your "proof" of Fermat's Last Theorem.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-19-2017, 05:49 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    This is how you defined these vectors, a and b are positive integers. The dot product (\vec{a}\cdot\vec{b}) will always be zero. That means...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-18-2017, 10:20 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Look how you defined these vectors! See above No, their dot product is always zero.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-18-2017, 03:39 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    And yet, you say in your post, that it is *not equal* to zero
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-18-2017, 11:19 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    The vectors a and b are perpendicular to each other, so of course their dot product is *equal* to zero. But even that doesn't mean that 2ab equals...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-14-2017, 07:32 PM
    So far as we know, it is not true. As you know, it's been investigated, and it doesn't seem to fit the data. So far, anyway.
    18 replies | 154 view(s)
  • grapes's Avatar
    03-14-2017, 07:28 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    It's still on the first page of your PDF. It's the biggest mistake you make. You cannot just set c equal to a+b, and then say QED
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-14-2017, 03:24 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Go back to your post that I asked about--that doesn't even appear in your post. Those have nothing to do with your last post either. You...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-14-2017, 01:34 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    No, you were right, you were wrong. Binomial expansion applies to numbers not vectors. You can extend the definition, but you haven't done that....
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-14-2017, 04:49 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    n=2 is definitely relevant to your "proof" because rem(a,b,n) = 0 IFF a=0 or b=0 for n=2, also. For n=2, your rem(a,b,n) equals 2ab, which can only...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-13-2017, 02:15 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    That doesn't make sense. Example: a=2, b=3, then {\psi _{ab}} = \sqrt {{{(a + b)}^2}} = \sqrt {{a^2} + {b^2} + 2ab} = 5 . Surely we all agree...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-13-2017, 09:09 AM
    grapes replied to a thread Fermat's last, and mine too. in Math
    He was the guy before Deshorse
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-12-2017, 06:28 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Therefore, the binomial expansion has no relevance for the proof of Fermat's Last Theorem, you're throwing in extra terms that aren't there. We...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-11-2017, 08:46 AM
    grapes replied to a thread Euler's Conjecture in Math
    Apparently, the smallest counter-example was found in 1988, the only example where the values are less than a million: 95800^4 + 217519^4 +...
    3 replies | 88 view(s)
  • grapes's Avatar
    03-10-2017, 06:25 PM
    grapes replied to a thread Euler's Conjecture in Math
    2682440^4 + 15365639^4 + 18796760^4 = 20615673^4 You could do that by hand, in a few minutes. Both sides are equal to...
    3 replies | 88 view(s)
  • grapes's Avatar
    03-10-2017, 06:15 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    OK, fine by me, you weren't participating in the conversation anyway. Thread closed. ETA: Thread re-opened, after PM
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-10-2017, 05:36 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Fermat's Last Theorem. The binomial theorem has nothing to do with the proof of Fermat's Last Theorem. Still haven't got out your calculator? :)
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-10-2017, 04:33 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    I was responding to your post. If you can't do the math, get a calculator.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-10-2017, 04:00 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    123 = 93 + 103 - 1 That didn't even take a high school education.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-10-2017, 01:58 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    rem can be negative c^n = a^n + b^n + rem
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-09-2017, 08:39 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Nonsense, you know that's not true, not one of those is true You're just being foolish, over-reacting so much that you cannot even see your own...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-09-2017, 07:41 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Perfect! You mimic real words, but you have no idea what they mean, because you're blind even to your own posts.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-09-2017, 06:58 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    You're just being foolish. Go, read your post again.
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-09-2017, 06:27 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    I was trying to understand your point, that's why I posted. Maybe you should re-read your own post again, and then my post, and see if you see the...
    199 replies | 2984 view(s)
  • grapes's Avatar
    03-09-2017, 05:06 PM
    grapes replied to a thread Fermat's last, and mine too. in Math
    Why are you sure you understand what you're talking about? You say Presburger arithmetic (which has integers) is consistent and complete, but then...
    199 replies | 2984 view(s)
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    From your video post, I gather you may be a grad student in physics/astronomy/astrophysics. Is that right?
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Is a nervous system needed for learning?

by tom on 04-30-2016 at 11:49 AM
It seems that some single celled slime can actually learn.

The plasmodium of the slime mould Physarum polycephalumis a large amoeba-like cell consisting of a dendritic network of tube-like structures (pseudopodia). It changes its shape as it crawls over a plain agar gel and, if food is placed at two different points, it will put out pseudopodia that connect the two food sources. Here we show that this simple organism has the ability to find the minimum-length solution between two points

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Do we live in the 18th century?

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Well starting a new blog about my journey into learning about the universe

by tom on 05-30-2010 at 05:01 PM
Sort of locked out of Baut again ... so doing it on my own for a while.
I am interested currently in how the expansion of the universe work and what is the difference between the expansion and something with real motion.
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