- 11 Feb, 2016 2 commits
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Robbert Krebbers authored
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Robbert Krebbers authored
Instead, I separate it into a total function and a predicate describe whether the action is allowed or not. This has some advantages: * It is much easier to deal with total functions and predicates in Coq than with functions into option. * Already existing functions do not need to be wrapped. Instead, when using a local update you end up with a sensible side condition as a Coq Prop. * The definition of local updates (and all CMRA instances) no longer depend on option.
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- 10 Feb, 2016 4 commits
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Ralf Jung authored
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Robbert Krebbers authored
This way we avoid many one-off indexes and no longer need special cases for index 0 in many definitions. For example, the definition of the distance relation on option and excl has become much easier. Also, uPreds no longer need to hold at index 0. In order to make this change possible, we had to change the notions of "contractive functions" and "chains" slightly. Thanks to Aleš Bizjak and Amin Timany for suggesting this change and to help with the proofs.
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Ralf Jung authored
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Robbert Krebbers authored
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- 09 Feb, 2016 2 commits
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Robbert Krebbers authored
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Ralf Jung authored
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- 08 Feb, 2016 4 commits
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Robbert Krebbers authored
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Ralf Jung authored
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Ralf Jung authored
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Ralf Jung authored
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- 05 Feb, 2016 1 commit
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Ralf Jung authored
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- 04 Feb, 2016 3 commits
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Robbert Krebbers authored
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Robbert Krebbers authored
* Insert and singleton operation. * Identity element. * Non-expansiveness and properness of insert and singleton. * Frame preserving updates. * Functoriality.
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Robbert Krebbers authored
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- 03 Feb, 2016 1 commit
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Ralf Jung authored
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- 02 Feb, 2016 1 commit
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Robbert Krebbers authored
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- 01 Feb, 2016 1 commit
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Robbert Krebbers authored
Instead, we have just a construction to create a CMRA from a RA. This construction is also slightly generalized, it now works for RAs over any timeless COFE instead of just the discrete COFE. Also: * Put tactics and big_ops for CMRAs in a separate file. * Valid is now a derived notion (as the limit of validN), so it does not have to be defined by hand for each CMRA. Todo: Make the constructions DRA -> CMRA and RA -> CMRA more uniform.
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- 16 Jan, 2016 1 commit
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Robbert Krebbers authored
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- 15 Jan, 2016 1 commit
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Robbert Krebbers authored
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- 14 Jan, 2016 1 commit
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Robbert Krebbers authored
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- 13 Jan, 2016 1 commit
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Robbert Krebbers authored
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- 12 Jan, 2016 1 commit
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Robbert Krebbers authored
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- 21 Dec, 2015 2 commits
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Robbert Krebbers authored
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Robbert Krebbers authored
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- 16 Dec, 2015 1 commit
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Robbert Krebbers authored
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- 15 Dec, 2015 2 commits
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Robbert Krebbers authored
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Robbert Krebbers authored
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