- API changes
- Drop support for Python 2.
- Test on Python 3.10
- Make Expression.sort_order an instance attributes and not a class attribute
- Misc.
- Correct licensing documentation
- Improve docstringf and apply minor refactorings
- Adopt black code style and isort for imports
- Drop Travis and use GitHub actions for CI
- API changes
- Add support for evaluation of boolean expression. Thank you to Lars van Gemerden @gemerden
- Bug fixes
- Fix parsing of tokens that have a number as the first character. Thank you to Jeff Cohen @ jcohen28
- Restore proper Python 2 compatibility. Thank you to Benjy Weinberger @benjyw
- Improve documentation
- Add pointers to Linux distro packages. Thank you to Max Mehl @mxmehl and Carmen Bianca Bakker @carmenbianca
- Fix typo. Thank you to Gabriel Niebler @der-gabe
- API changes
- Add new sort argument to simplify() to optionally not sort when simplifying expressions (e.g. not applying "commutativity"). Thank you to Steven Esser @majurg for this
- Add new argument to tokenizer to optionally accept extra characters in symbol tokens. Thank you to @carpie for this
- No API changes
- Bug fixes
- Fix De Morgan's laws effect on double negation propositions. Thank you to Douglas Cardoso for this
- Improve error checking when parsing
- No API changes
- Bug fixes
- Documentation updates and add testing for Python 3.6. Thank you to Alexander Lisianoi @alisianoi
- Improve testng and expression equivalence checks
- Improve subs() method to an expression
- No API changes
- Bug fixes and improvements
- Fix various documentation typos and improve tests . Thank you to Alexander Lisianoi @alisianoi
- Fix handling for literals vs. symbols in negations Thank you to @YaronK
- API changes
- #40 and #50 Expression.subs() now takes 'default' thanks to @kronuz
- #45 simplify=False is now the default for parse and related functions or methods.
- #40 Use "&" and "|" as default operators
- Bug fixes
- #60 Fix bug for "a or b c" which is not a valid expression
- #58 Fix math formula display in docs
- Improve handling of parse errors
- API changes
- New algebra definition. Refactored class hierarchy. Improved parsing.
- New features
- possibility to subclass algebra definition
- new normal forms shortcuts for DNF and CNF.
- Initial release on Pypi.