2012-02-09 urbanc more on the specification section
2012-02-08 urbanc corrections by Xingyuan
2012-02-07 urbanc more on paper
2012-02-07 urbanc more on paper
2012-02-06 urbanc paper updatated
2012-02-05 urbanc moved unused theories to Attic
2012-02-05 zhang README added.
2012-02-04 urbanc updated
2012-02-04 urbanc slight polishing
2012-02-03 urbanc a bit more on the introduction
2012-02-02 urbanc slight tuning
2012-02-01 urbanc more on intro
2012-02-01 urbanc more on intro
2012-02-01 urbanc more on intro
2012-02-01 urbanc slightly more on text
2012-02-01 zhang All comments added.
2012-01-30 urbanc spell check
2012-01-30 urbanc slight polishing
2012-01-30 urbanc more text
2012-01-30 urbanc more text
2012-01-30 urbanc added two paragraphs to the introduction
2012-01-29 zhang More explanations added by XY.
2012-01-27 urbanc changed abstract, intro and IsaMakefile
2012-01-27 zhang Newer version.
2012-01-24 urbanc minor edit
2012-01-24 urbanc initial version of the PIP formalisation
2011-12-26 urbanc changed to 11 months
2011-12-22 urbanc added a draft of the letter for Chunhan
2011-12-17 urbanc updated urls to AFP
2011-11-20 urbanc added slides for a talk in St Andrews
2011-11-11 urbanc small change
2011-09-15 urbanc set -> language
2011-09-14 urbanc added a paper about applications
2011-09-14 urbanc added paper that recently appeared about rexps and pegs
2011-09-14 urbanc polished the non-regularity proof
2011-09-14 urbanc clarified proof about non-regularity
2011-09-14 urbanc corrected typo found by Xingyuan
2011-09-13 urbanc small typo
2011-09-12 urbanc a final polishing before submitting later this week
2011-09-08 urbanc one more itteration on the paper
2011-09-07 urbanc some more polishing and a link to Haines
2011-09-07 urbanc typos
2011-09-07 urbanc polished a bit the journal paper
2011-09-06 urbanc typo
2011-09-06 urbanc more tuning on the proposal
2011-09-06 urbanc polished proposal
2011-09-05 urbanc tuning on the derivatives and closures theories
2011-09-05 urbanc added section about non-regularity
2011-09-05 urbanc polished SUBSEQ
2011-09-05 urbanc slight polishing to SUBSEQ
2011-09-05 urbanc slight polishing to SUBSEQ
2011-09-05 urbanc shortened
2011-09-05 urbanc some changes
2011-09-05 urbanc some changes
2011-09-05 urbanc added section about SUBSEQ and SUPSEQ
2011-09-04 zhang Proposal paragraphs by Xingyuan completed (with references added).
2011-09-04 urbanc removed the last two sorry's
2011-09-02 zhang More modification by Xingyuan.
2011-09-02 zhang One passage added.
2011-09-02 urbanc latest changes
2011-09-02 urbanc small change
2011-09-02 urbanc small improvement
2011-09-02 urbanc added a start for a proposal
2011-09-02 urbanc added example about non-regularity
2011-09-02 urbanc cleaned up proofs
2011-09-01 urbanc included Higman's lemma from the Isabelle repository
2011-09-01 urbanc solved the SUBSEQ/SUPSEQ problem
2011-08-30 urbanc added a further test
2011-08-26 urbanc corrected typo
2011-08-26 urbanc added a few points
2011-08-25 urbanc a few bits on the journal paper
2011-08-25 urbanc shown slides
2011-08-25 urbanc final polishing
2011-08-24 urbanc added pdf of slides
2011-08-24 urbanc final slides
2011-08-24 urbanc more slides
2011-08-24 urbanc more on slides
2011-08-24 urbanc just test
2011-08-23 urbanc added test for Higman's lemma
2011-08-23 urbanc more on slides
2011-08-23 urbanc more on the slides
2011-08-23 urbanc more on the slides
2011-08-23 urbanc forgotten file
2011-08-23 urbanc beginnig of the slides (not yet finished)
2011-08-22 urbanc changes according to afp-submission
2011-08-19 urbanc two more literature
2011-08-19 urbanc added comments by Xingyuan
2011-08-17 urbanc added an example for non-regularity and continuation lemma (the example does not yet work)
2011-08-17 urbanc a little tuning
2011-08-16 urbanc final(?) version of the paper
2011-08-15 urbanc a bit more polishing
2011-08-15 urbanc polishing of the closure section and conclusion
2011-08-12 urbanc small typo
2011-08-11 urbanc some typos
2011-08-11 urbanc finished section about derivatives and closure properties
2011-08-11 urbanc two interesting papers
2011-08-11 urbanc slight polishing
2011-08-09 urbanc more on paper
2011-08-09 urbanc more on paper and literature
2011-08-05 urbanc added paper on partial derivatives
2011-08-05 urbanc more on the derivatives section
2011-08-03 urbanc added more to the derivatives section
2011-08-03 urbanc completed the taging-function section
2011-08-03 urbanc more on the paper
2011-08-03 urbanc cleaned up the proofs in Myhill_2
2011-08-02 urbanc a version of the proof which dispenses with the notion of string-subtraction
2011-07-31 urbanc some experiments with the proofs in Myhill_2
2011-07-28 urbanc added a picture
2011-07-28 urbanc small improvements
2011-07-28 urbanc added more examles
2011-07-28 urbanc more one the paper
2011-07-27 urbanc latest version of the journal paper
2011-07-27 urbanc polished the introduction
2011-07-26 urbanc more on the section about derivatives
2011-07-26 urbanc more on the introduction of the journal paper
2011-07-25 urbanc more on the journal paper
2011-07-25 urbanc added a paper about PEG-parsing and left recursion
2011-07-25 urbanc made the theories compatible with the existing developments in the AFP; old theories are in the directory Attic
2011-06-03 zhang added boolean grammar
2011-06-03 zhang added
2011-06-02 urbanc added a journal version
2011-06-02 urbanc updated theories and itp-paper
2011-05-31 urbanc added missing file
2011-05-29 urbanc added old paper
2011-05-26 urbanc a few more literature places
2011-05-18 urbanc added directory for journal version; took uptodate version of the theory files
2011-05-12 urbanc preparation for final paper version
2011-05-09 urbanc added comments from Chunhan
2011-05-04 urbanc edits; sqeezed to 16 pages
2011-04-28 urbanc paper about formalising parsing; seems to have done what we would like to do....probably also appears at ITP'11
2011-04-21 urbanc a small change
2011-04-21 urbanc a few more changes
2011-04-19 urbanc removed experimental code from Matcher
2011-04-19 urbanc implemented most suggestions from the reviewers
2011-04-06 urbanc added literature about parsing
2011-03-25 urbanc MN via partial derivatives
2011-03-23 urbanc moved paper to correct place
2011-03-23 urbanc added paper by Antimirov
2011-03-23 urbanc added the most current versions of the theories.
2011-03-15 urbanc correct version
2011-03-15 urbanc deleted wrong version
2011-03-15 urbanc added chapter about regular expressions by Sakarovitch (interesting pages are 139 - 142)
2011-03-15 urbanc corrected small typo
2011-03-05 urbanc slight polishing of the bibliography
2011-03-05 urbanc formalisation of first direction is now only 780 loc
2011-02-26 urbanc changed one occurence of tagging function into tagging relation
2011-02-25 urbanc added yacc is dead paper
2011-02-24 urbanc added a paper about derivatives
2011-02-24 urbanc added hocroft and ullman book
2011-02-22 urbanc three typos
2011-02-21 urbanc one further polishing
2011-02-21 urbanc final final polishing
2011-02-21 urbanc final polished
2011-02-21 urbanc chunhan's comments
2011-02-20 urbanc minor change
2011-02-20 urbanc comments by Xingyuan
2011-02-20 urbanc chunhan's comments
2011-02-20 urbanc pre-final version
2011-02-20 urbanc minor
2011-02-20 urbanc finished picture
2011-02-20 urbanc seq case finished
2011-02-20 urbanc latest update
2011-02-20 urbanc added pictures for seq-case
2011-02-20 urbanc added definition of string prefix and string subtraction
2011-02-20 urbanc polished everywhere...two cases still missing
2011-02-19 urbanc my latest version (SEQ and STAR still missing)
2011-02-19 urbanc added directory with the small files and numbers of lines
2011-02-19 urbanc ALT case done
2011-02-19 urbanc first two proofs in 2 direction
2011-02-19 urbanc first proof
2011-02-19 urbanc updated second direction
2011-02-19 urbanc included comments by Chunhan
2011-02-18 urbanc added comment from Larry
2011-02-18 urbanc updated bib
2011-02-18 urbanc polished everything
2011-02-17 urbanc more on the conclusion
2011-02-17 urbanc first ideas about conclusion
2011-02-17 urbanc completed first direction
2011-02-16 urbanc minor updated
2011-02-16 urbanc filled details in one place
2011-02-15 urbanc updated paper
2011-02-15 urbanc updated paper
2011-02-15 urbanc updated paper
2011-02-15 urbanc updated paper
2011-02-14 urbanc updated
2011-02-14 urbanc added definition of DERIV and delta
2011-02-14 urbanc updated paper
2011-02-14 urbanc updated
2011-02-13 zhang More into the second direction
2011-02-11 urbanc included comments by Xingyuan
2011-02-11 urbanc slightly streamlined the proof
2011-02-10 urbanc simplified a bit the proof
2011-02-10 urbanc more things
2011-02-10 urbanc latest on the paper
2011-02-10 urbanc more on the paper
2011-02-10 urbanc more on paper
2011-02-09 urbanc added Xingyuan's changes with the while combinator
2011-02-09 urbanc added an example
2011-02-09 urbanc a bit more on the paper
2011-02-09 urbanc added something about Setalt and folds
2011-02-09 urbanc deleted the non_empty invariant
2011-02-09 urbanc tuned comments and names in Myhill_1
2011-02-09 urbanc separated the definition of folds into a separate file
2011-02-09 urbanc saved a copy of the current Myhill for reference
2011-02-08 urbanc a bit more on the paper
2011-02-08 urbanc added coments about functions
2011-02-08 urbanc more direct definitions
2011-02-08 urbanc deleted lam_of
2011-02-08 urbanc started to define things more directly
2011-02-08 zhang More explaination on equational system
2011-02-08 urbanc small additions
2011-02-08 urbanc added an abbreviation for folds ALT NULL
2011-02-07 urbanc parts of the 3 section
2011-02-07 urbanc added bib-file
2011-02-07 zhang More into first direction
2011-02-07 urbanc added an option fullpaper to IsaMakefile
2011-02-07 urbanc more on the paper
2011-02-06 urbanc slightly more on the paper
2011-02-06 zhang A formal presentation of automaton and Myhill-Nerrode theorem added to serve as a basis for further discussion
2011-02-05 zhang Check in Myhill.thy before trying another way to explain DFA
2011-02-05 urbanc more intro
2011-02-04 urbanc more on the introduction
2011-02-04 urbanc exercise about arden from TU Munich
2011-02-04 zhang Added something to Myhill.thy, trying to explain the relationship between finite automata and language partition.
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