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* Start writing some general stuff about analysis of CFLs.David A. Madore2017-01-151-0/+74
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* Explain how to work around the dangling else problem at the programmer and ↵David A. Madore2017-01-131-4/+76
| | | | | | at the grammar levels. This is probably very unclear. Needs to be improved.
* Continue writing about the dangling else ambiguity.David A. Madore2017-01-123-1/+171
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* Start writing a new exercise on the "dangling else" problem.David A. Madore2017-01-122-0/+145
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* An algebraic language whose complement is not algebraic (the language of ↵David A. Madore2017-01-121-13/+114
| | | | non-squares).
* An exercise applying the pumping lemma for algebraic languages.David A. Madore2017-01-121-0/+148
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* The intersection of an algebraic and a rational language is algebraic.David A. Madore2017-01-101-0/+3
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* Add two figures (parse tree) forgotten from commit 029a75c.David A. Madore2017-01-102-0/+36
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* Add warning about work in progress.David A. Madore2017-01-101-0/+12
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* Intersection of algebraic and rational languages.David A. Madore2017-01-101-0/+38
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* Pumping lemma for algebraic languages.David A. Madore2017-01-101-1/+42
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* More about ambiguity.David A. Madore2017-01-101-26/+191
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* Fix thinko (thanks, Antoine!).David A. Madore2017-01-061-1/+1
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* Briefly mention more general grammars. Start writing about ambiguity.David A. Madore2017-01-031-3/+28
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* Parse trees versus derivations; left and right derivations.David A. Madore2017-01-031-16/+98
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* Start discussing parse trees.David A. Madore2017-01-022-2/+147
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* Various examples of CFGs (not necessarily interesting).David A. Madore2017-01-021-2/+136
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* Another example of CFG (too complicated?).David A. Madore2017-01-021-0/+44
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* Concatenation, union and star of CFLs.David A. Madore2017-01-021-20/+108
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* Standardize spelling of "hors contexte".David A. Madore2017-01-021-6/+6
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* Rational languages are algebraic; regular grammars.David A. Madore2017-01-021-6/+55
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* Context-free grammars and languages: definition and example.David A. Madore2017-01-021-12/+165
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* Typo (thanks, Antoine).David A. Madore2016-12-281-1/+1
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* More minor clarifications / corrections.David A. Madore2016-12-132-4/+4
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* Clarifications following students' remarks/questions.David A. Madore2016-12-131-3/+5
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* Add a simple exercise.David A. Madore2016-12-121-0/+21
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* Typo.David A. Madore2016-12-121-1/+1
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* Explain how to produce a regexp that matches the multiples of 7 in base 10.David A. Madore2016-12-092-1/+78
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* Exercise on multiples of 7 in base 10.David A. Madore2016-12-091-0/+26
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* Exercise on backreferences.David A. Madore2016-12-092-11/+82
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* Test various egrep features.David A. Madore2016-12-092-0/+69
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* A simple exercise on using egrep.David A. Madore2016-12-092-0/+212
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* Clarify decidability of equivalence of automata or regexps.David A. Madore2016-12-081-8/+52
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* Mention the name "Kleene's algorithm".David A. Madore2016-12-081-1/+3
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* A clarification on elimination of states.David A. Madore2016-12-081-24/+33
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* Remark on elimination of spontaneous transitions and automaton transpose.David A. Madore2016-12-081-33/+84
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* Slight changes to section titles.David A. Madore2016-12-081-5/+5
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* Example(s) of minimization algorithm.David A. Madore2016-12-085-0/+215
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* Leading zeros in powers of two.David A. Madore2016-12-021-1/+1
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* Remove any ambiguity about whether 0 is a power of two (it is not).David A. Madore2016-12-011-1/+1
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* Moore's algorithm (further description).David A. Madore2016-12-011-3/+33
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* Various clarifications. Try to explicitate when DFAs need to be complete.David A. Madore2016-12-011-52/+72
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* Fix mistake in determinization of automaton.David A. Madore2016-12-012-11/+13
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* Moore's algorithm.David A. Madore2016-11-301-2/+89
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* The Myhill-Nerode theorem.David A. Madore2016-11-301-0/+87
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* Using the pumping lemma.David A. Madore2016-11-301-49/+128
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* Typo (thanks, Olivier).David A. Madore2016-11-301-1/+1
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* The pumping lemma.David A. Madore2016-11-301-1/+64
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* Clarifications.David A. Madore2016-11-301-9/+11
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* Fix mistake in minimization of automaton.David A. Madore2016-11-302-28/+30
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