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Re: [Coq-Club] Using ~ in a notation


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  • From: Chris Dams <chris.dams.nl AT gmail.com>
  • To: coq-club <coq-club AT inria.fr>
  • Subject: Re: [Coq-Club] Using ~ in a notation
  • Date: Sat, 7 Jun 2014 22:11:45 +0200

Hallo Jason and the rest,

Thank you for your suggestion, Jason. This solves the problem that I posted but it seems these levels also affect the priority that operators have and level 7 does not seem to be a very good idea for my operator. It should, for instance, not have precedence over + or *. So now I decided to not use ~ as an operator but to call it == instead. This seems to work. To me it seems very strange that a rather obscure operator binary concatenation operator defined somewhere in the libraries seems to make it quite unusable for other purposes. Couldn't there be a command to make coq forget about a particular notation definition so that an operator becomes freely usable again?

All the best,
Chris




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