1. 27 Jul, 2016 1 commit
    • Robbert Krebbers's avatar
      Make the types of the finite map type classes more specific. · 20b4ae55
      Robbert Krebbers authored
      This makes type checking more directed, and somewhat more predictable.
      
      On the downside, it makes it impossible to declare the singleton on
      lists as an instance of SingletonM and the insert and alter operations
      on functions as instances of Alter and Insert. However, these were not
      used often anyway.
      20b4ae55
  2. 19 Jul, 2016 1 commit
  3. 13 Jul, 2016 1 commit
  4. 30 Jun, 2016 1 commit
  5. 16 Jun, 2016 1 commit
  6. 01 Jun, 2016 3 commits
  7. 31 May, 2016 2 commits
  8. 30 May, 2016 1 commit
  9. 24 May, 2016 5 commits
    • Robbert Krebbers's avatar
      Change notations of big_ops for upred. · 93792f5c
      Robbert Krebbers authored
      Rationale: to make the code closer to what is on paper, I want the notations
      to look like quantifiers, i.e. have a binder built-in. I thus introduced the
      following notations:
      
        [★ map] k ↦ x ∈ m, P
        [★ set] x ∈ X, P
      
      The good thing - contrary to the notations that we had before that required an
      explicit lambda - is that type annotations of k and x are now not printed
      making goals much easier to read.
      93792f5c
    • Robbert Krebbers's avatar
    • Robbert Krebbers's avatar
      Merge iAssert and iPvsAssert. · e965b669
      Robbert Krebbers authored
      To do so, we have introduced the specialization patterns:
      
        =>[H1 .. Hn] and =>[-H1 .. Hn]
      
      That generate a goal in which the view shift is preserved. These specialization
      patterns can also be used for e.g. iApply.
      
      Note that this machinery is not tied to primitive view shifts, and works for
      various kinds of goal (as captured by the ToAssert type class, which describes
      how to transform the asserted goal based on the main goal).
      
      TODO: change the name of these specialization patterns to reflect this
      generality.
      e965b669
    • Robbert Krebbers's avatar
      eacb1c46
    • Robbert Krebbers's avatar
      Make specialization patterns for persistent premises more uniform. · 65bfa071
      Robbert Krebbers authored
      Changes:
      - We no longer have a different syntax for specializing a term H : P -★ Q whose
        range P or domain Q is persistent. There is just one syntax, and the system
        automatically determines whether either P or Q is persistent.
      - While specializing a term, always modalities are automatically stripped. This
        gets rid of the specialization pattern !.
      - Make the syntax of specialization patterns more consistent. The syntax for
        generating a goal is [goal_spec] where goal_spec is one of the following:
      
          H1 .. Hn : generate a goal using hypotheses H1 .. Hn
         -H1 .. Hn : generate a goal using all hypotheses but H1 .. Hn
                 # : generate a goal for the premise in which all hypotheses can be
                     used. This is only allowed when specializing H : P -★ Q where
                     either P or Q is persistent.
                 % : generate a goal for a pure premise.
      65bfa071
  10. 06 May, 2016 1 commit
  11. 02 May, 2016 1 commit
  12. 26 Apr, 2016 1 commit
  13. 20 Apr, 2016 1 commit
    • Robbert Krebbers's avatar
      Improve iFrame tactic · 43d45c6b
      Robbert Krebbers authored
      - It can now also frame under later.
      - Better treatment of evars, it now won't end up in loops whenever the goal
        involves sub-formulas ?P and it trying to apply all framing rules eagerly.
      - It no longer delta expands while framing.
      - Better clean up of True sub-formulas after a successful frame. For example,
        framing "P" in "▷ ▷ P ★ Q" yields just "Q" instead of "▷ True ★ Q" or so.
      43d45c6b
  14. 19 Apr, 2016 2 commits
  15. 12 Apr, 2016 3 commits
  16. 11 Apr, 2016 1 commit
  17. 09 Apr, 2016 1 commit
  18. 08 Apr, 2016 1 commit
    • Robbert Krebbers's avatar
      Remove wp_X> tactics and improve wp_finish. · eab6c6c4
      Robbert Krebbers authored
      Since strip_later is doing a good job stripping laters in the conclusion,
      these tactics are thus no longer needed. Also, wp_finish now properly
      converts the result in a primitive viewshift in case it is not a weakestpre.
      eab6c6c4
  19. 20 Mar, 2016 1 commit
  20. 15 Mar, 2016 1 commit
  21. 11 Mar, 2016 1 commit
  22. 10 Mar, 2016 5 commits
  23. 07 Mar, 2016 2 commits
  24. 06 Mar, 2016 2 commits