in reply to Re^2: Meaning Of error in perl
in thread Meaning Of error in perl

x = y
2x-x = 2y-y
2x-2y = x-y
2*(x-y) = 1*(x-y)

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Re^4: Meaning Of error in perl
by Anonymous Monk on Jul 08, 2014 at 09:46 UTC

    Ah, now I remember where I saw something similar long time ago: False Proofs, Classic Fallacies, http://mathforum.org/dr.math/faq/faq.false.proof.html (got "permission denied" error when trying to post the URL as a link).