No, what you describe is not off topic at all. It is at the core of the problem of defining what equality means. As you already have seen, there are several definitions (and cases in which a definition does not work)
Kind regards, Jos -----Original Message----- From: Michael Tiedtke [mailto:michael.tied...@o2online.de] Sent: lunes, 18 de mayo de 2015 21:26 To: Jos Koot; racket-users@googlegroups.com Subject: Re: [racket-users] Strange behaviour of the eq? operator in racket repl snip Maybe, I never thought about that in mathematical terms if not with the concept of identity. How could they do without it? Two objects (in memory) are identical when ... no, they preferred talking about sameness. Perhaps they were right; for each and every case you can define equality rather well. But equality as an abstract concept may lead to a search in nothing which can take forever and ever: like the moon that keeps circling around the earth without any reason one's mind can circle around nothing. That's mighty. But that's off topic.= -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
